The Forbidden Love: A Critical Analysis (originally Same Gender Unions: A Critical Analysis). Nairobi: Uzima Press, 2004 (With Martha Mbuguss et al).
Introduction to the Bible and the Qur’an, A Module for ARE 101: Introduction to the Bible and Qur’an, Co-authored With Newton M. Kahumbi, for the Institute of Open Learning, Kenyatta University, 2002. (I did the Part on the Introduction to the Bible).
Christian Crusades in Nairobi: An Analysis of Socio-Religious Factors Underlying Their Upsurge. Social Science Research Report Series No. 9. OSSREA, 1998.
Indimuli, M. O., Samita, Z. W. & Mwalw’a, S. (2025) Sociocultural Factors Shaping Household Food Security Among Widows in the Bukusu and Maasai Communities in Kenya. International Journal Of Social Science And Human Research (IJSSHR), Volume 08 Issue 12 December 2025, pp. 9394-9411. https://www.ijsshr.in/v8i12/26.php
Mabeya, M. M., Samita, Z. W. & Gecaga, M. G. (2025) Personal Evangelism and Church Growth: A Case Study of Seventh-day Adventist Church in Nairobi County, Kenya. Journal of Psychology, Sociology and Religious Studies. Vol. 5 No. 6, 12-26. https://doi.org/10.70619/vol5iss6pp12-26-641
Indimuli, M. O., Samita, Z. W. & Mwalw’a, S. (2025) Burdened by Rites, Anchored in Strength: A Qualitative Exploration of Widowhood Practices and Their Implications for Food Security Among Bukusu and Maasai Women in Kenya. Iconic Research and Engineering (IRE) Journals, Vol. 9 Issue 2 August-2025, 484-500. Paper ID 1710137; https://irejournals.com/paper-details/1710137
Isabirye, M. S. & Samita, Z. W. (2025) The Mission of Deliverance Church in Busoga, Uganda, 1962-2021. Missional Encounters of Churches in Sub-Saharan Africa through Grassroots Stories. International Missionary Council Centenary Series: Africa (Regnum Book). J. J. Knoetze, P. N. Mwangi & M. Biehl, Eds. World Council of Churches,61-73.
Luvuga J., Samita, Z. & Nalugala, R. (2024) The Effect of Milimani Law Courts Organizational Culture on Knowledge Management and Governance for Effective Administration of Justice. International Journal of Professional Practice (IJPP) Vol. 12, Issue 5, 2024. https://ijpp.kemu.ac.ke/index.php/ijpp/article/view/489/204.
Bii, J. C., Pacificah F. Okemwa, P. F. & Samita, Z. W. (2023) Determinants of Men’s Level of Participation in Family Planning in Bomet County, Kenya, International Journal of Arts and Social Science (IJASS) , Vol.6 (11), Nov. 2023, 21-32, http://www.ijassjournal.com/current-issue.html ..
Bii, J. C., Okemwa, P. F. & Samita, Z. W. (2023) Socio-cultural Factors That Influence Men’s Participation in Family Planning in Bomet County, Kenya. The International Journal of Humanities and Social Studies, 11(8), 123-131. https://www.internationaljournalcorner.com/index.php/theijhss/article/view/173213 .
Mbae, A. M, Mwaura, P. N. & Samita, Z. W. (2023) The Historical Background and Development of Catholic Charismatic Renewal Movement in Kenya: A Case of Catholic Diocese of Meru, International Journal of Research and Innovation in Social Science (IJRISS), https://doi.org/10.47772/IJRISS.2023.7478 .
Igweta, P., Magesa, L. & Samita, Z. W. (2022) Transformed Governance Systems. African Journal of Emerging Issues (AJOEI), Vol. 4(9), 74-84. https://ajoeijournals.org/sys/index.php/ajoei/article/view/329.
Igweta, P., Magesa, L. & Samita, Z. W. (2022) Indigenous Governance. African Journal of Emerging Issues (AJOEI), Vol. 4(9), 85-96. https://ajoeijournals.org/sys/index.php/ajoei/article/view/330.
Samita, Z. W. & Oindo, J. O. (2022) Culture, Corruption and Commerce: African Culture vis-à- vis Corruption and Sustainable Development in Africa. AKU: An African Journal of Contemporary Research. Vol. 3. NO. 2, 1-12.
Oindo, J. O., Samita, Z. & Oyugi, E. (2021). The Relevance of the Indigenous African Moral Theory in the the control of Public Sector Corruption in Kenya International Journal of Research and Innovation in Social Science (IJRISS), Volume V, Issue IX, September, 800-804, ISSN 2454-6186
Oindo, J. O., Oyugi, E., & Samita, Z. (2021). How African Kinship System Contributes to Corruption in Kenya. Open Journal of Social Sciences, 9, 21-38. https://doi.org/10.4236/jss.2021.95003
Oindo, J.O., Oyugi, E. & Samita, Z. (2021) An Ethical Response to Corruption in Kenya. Open Access Library Journal, 8, 1-16. doi: 10.4236/oalib.1107986.
Kwemboi, Philip, Samita, Zacharia & Kavivya, Cyprian (2020). Salvation Army’s Contribution to Economic Empowerment of Women in Bungoma County, Kenya, Journal of Humanities and Social Sciences Studies (JHSSS) ISSN: 2663-7197, Vol. 2. Issues 1, 84-94.
Nininazwe, Bella, Zacharia W. Samita & Tom Kearney. (2019). How Human Capital Enhances the Sustainability of Informal Businesses for Burundian Women Refugee in Nairobi County, Kenya, International Journal of Research in Management, Economics and Commerce, Vol. 9 Issue 10, 67-75.
Samita, Z. W. & B. G. Nyabwari (2010) History and Spatial-Temporal Development of the ACK Diocese of Nairobi. Building a Solid and Integrated Church in the 21st Century. P. N. Njoka. Nairobi: Evangel, 7-12.
Samita, Z. W. & P. M. Kamau (2010) Evangelism as the Core Business of the Church. Building a Solid and Integrated Church in the 21st Century. P. N. Njoka. Nairobi: Evangel, 59-98.
Samita, Z. W. & J. Kabiru (2010) Main Challenges Facing Christians in Nairobi. Building a Solid and Integrated Church in the 21st Century. P. N. Njoka. Nairobi: Evangel, 127-132.
Samita, Z. W. & B. G. Nyabwari & P. N. Njoka (2010) The Church as the Conscious Voice of the Society. Building a Solid and Integrated Church in the 21st Century. P. N. Njoka. Nairobi: Evangel, 171-190.
Samita, Z. W. (2009) Management of Conflict and Restoration of Lasting Peace. In Kenya Thabiti Task Force 2008/Inter-Religious Forum. Root Causes and Implications of the Post-Election Violence of 2007, 108-125.
Samita, Z. W. (2008) The Family in New Christian Religious Movements. Responsible Leadership in Marriage and Family. Mary N. Getui (Ed). Nairobi: Acton, 109-127.
Samita, Z. W. (2006) Historical Overview of the Church in Kenya. How Healthy is Your Church: A Survey of Church Health in Nairobi. Peterson Wang’ombe (ed). Nairobi: ACM-FTT, 11-14.
Samita, Z. W. (2005) Inter-Faith Dialogues: Examples From Institutions in Kenya. In Voices From the Third World. InterFaith Dialogue: Listening to African Voices. Vol. XXVIII No. 2. December 2005. 198-214.
Samita, Z. W. (2003) Religion For Peace Not Pieces. In Overcoming Violence: A Faith-Based Response, Eds. M. Getui & W. M. Musyoni. Nairobi: NCCK, 243-258.
Samita, Z. W. (2003) Christian Expressions From Euro-Americas to Africa With Reference to Nairobi, Kenya. In Emerging Christian Expressions and Challenges of Christian Fundamentalism, AACC Africa Challenge Series No. 11, Nairobi: AACC, 35-53.
Samita, Z. W. (2003) Development Within African Evangelical and Pentecostal Churches’. Quests for Integrity in Africa, Eds. M. Theuri & G. Wamue, Nairobi: Acton, 113-124.
Samita, Z. W. (2002) Reflection on Christian Evangelistic Crusades in Kenya. AICMAR Bulletin, Vol. 1/2002., 90-109.
Samita, Z. W. (2002) African Cities and Environmental Challenges”. Quests for Abundant Life in Africa, Eds. M. N. Getui & M. M. Theuri, Nairobi: Acton, 175-186.
Samita, Z. W. (1999) Churches And AIDS In Kenya. Theology of Reconstruction: Exploratory Essays, Eds. M. N. Getui & E. A. Obeng, Nairobi: Acton, 172-190.
Samita, Z. W. (1998) Indigenous Theologies: An EATWOT Response. VOICES From the Third World. Vol. XXI, No. 1, June 1998, 247-252.
Samita, Z. W. (1997) Toward Harmonizing Christian Commitment and Academic Excellence: The Example of Jesus Christ. The Christian Educator: Journal of Religious Education, Vol. 10 No. 1 1997.
Samita, Z. W. (1996) The African Church of the Holy Spirit: Origins and Advent in Kabras Division, Kakamega District. TransAfrican Journal of History, Vol.25, 123-145.
Samita, Z. W. (1996). Indigenous Nomenclaature: Indicators of Moral Theology Within the Naming System of the Abakabras and Abatachoni of Western Kenya. Journal of Eastern African Research and Development, Vol. 25, 1995, 156-160.