Indes Maharani Handayani, dan Nana Supriatna. “Systematic Literature Review: Analysis Implementation of Water, Sanitation, and Hygiene (WASH) Programs in Elementary Schools”. International Conference on Elementary Education, Vol. 6, no. 1, Juni 2024, hlm. 206-14, https://proceedings.upi.edu/index.php/icee/article/view/3603.