“Hygiene and Sanitation Factors Affecting Contamination of Soil-Transmitted Helminths in Household Water Sources in Jember, Indonesia”. Althea Medical Journal 9, no. 3 (September 30, 2022): 125–130. Accessed July 18, 2026. https://journal.fk.unpad.ac.id/index.php/amj/article/view/2587.