Nzioki, Japeth, و Agnes Korir. Effective Methods for Community Sanitation and Hygiene Promotion in the Developing World: A Scoping Review. Africa Journal of Technical and Vocational Education and Training 5, no. 1 (أبريل 30, 2020): 175-185. تاريخ الوصول مايو 20, 2024. https://www.afritvet.org/index.php/Afritvet/article/view/114.