Publication by:
- Dr. Samuel Kariuki Publications
- Dr. Peter Nduati Mwangi Publications
- Dr. Karambu Kiende Gatimbu Publications
- Dr. Duncan Mugambi Njeru Publications
- Dr. Gachora Susan Wanjugu Publications
- Dr Bengat Kipyegon Joseph Publications
- Mr. Njeru Samuel Gitonga Publications
- Dr. Samuel Ngigi Publications
- Dr. Jesse Maina Kinyua Publications