Koirala, Bandana, Surya Raj Niraula, and Anup Ghimire. “Estimation of Fluoride Content of Drinking Water in Dharan”. Journal of BP Koirala Institute of Health Sciences 3, no. 1 (July 26, 2020): 88–95. Accessed November 22, 2024. https://nepjol.info./index.php/jbpkihs/article/view/30332.