Otieno, John Gershom, Wanja Tenambergen, and Kezia Njoroge. “Determinants of COVID-19 Vaccine Uptake Among Boda-Boda Riders in Mathare, Kenya”. International Journal of Professional Practice 13, no. 4 (November 20, 2025): 51–60. Accessed March 11, 2026. https://ijpp.kemu.ac.ke/index.php/ijpp/article/view/403.