Liandari, Ririn. “Relationship of Hand Hygiene With the Contamination of Parasite Student’s Intestine of Madrasah Ibtidaiyah in X Islamic Boarding School Surabaya”. Medical Technology and Public Health Journal 5, no. 1 (April 6, 2021): 71–80. Accessed April 28, 2024. https://journal2.unusa.ac.id/index.php/MTPHJ/article/view/820.