Wikurendra E, Wijaya S, Nagy I. Microbiological Quality Analysis of Drinking Water in An-Nuriyah Islamic Boarding School Wonocolo Surabaya. JGRPH [Internet]. 2020 Dec. 28 [cited 2025 Sep. 11];5(2):137-40. Available from: https://www.jgrph.org/index.php/JGRPH/article/view/289