Prayogo, Wisnu. “[Retracted] A Systematic Review of Research Trends in Water, Sanitation, and Hygiene (WASH) in Indonesia”. International Journal of Qualitative Research 4, no. 2 (November 30, 2024): 162-171. Accessed July 1, 2025. https://ojs.literacyinstitute.org/index.php/ijqr/article/view/1733.