Ochola, Grace, Edwin Atitwa, et Charles Wafula. « Effects of Differential Household Characteristics on Immunization Coverage for Children Aged 12-23 Months in Alego Usonga, Nyakach and Butere Sub Counties, Keny »a. East African Journal of Health and Science 5, no. 1 (juin 13, 2022): 190-206. Consulté le août 27, 2025. https://www.journals.eanso.org/index.php/eajhs/article/view/703.