Dr. Nzoka Stephen Musila, Dr. Ogogo, Prof. Mbugua, Dr. Elizabeth Mbugua: Facts about Autism (Ongoing)
Stephen M. Nzoka 2022: Disability is not Inability
Stephen M. Nzoka 2022: Experience is the Best Teacher - 1st Edition. ISBN:978-9914-741-60-5
Stephen M. Nzoka, 2021, Human Growth and Development - 2nd Edition. ISBN:978-9966-132-07-9. Editors: Prof Kamau, Dr. Onga`ang`a H.M Ouko, Dr. Joyce Achieng, Ms. Maritha Sikuku, Mr. John Y. Musila
Stephen M. Nzoka, 2019, Human Development and Learning, Franciscan Kolbe Press, ISNB 978-9966-132-07-9