Al Aizari, Hefdhallah, Rachida Fegrouche, Ali Al Aizari, and Saeed S. Albaseer. “Spatial Distribution of Fluoride in Drinking Water in Dhamar City, Yemen”. International Journal of Environment 10, no. 1 (July 23, 2021): 49–63. Accessed May 5, 2024. https://nepjol.info/index.php/IJE/article/view/38402.