Chu, Huyền, Hạnh Nguyễn, Viên Nguyễn, Huyền Nguyễn, and Đông Nguyễn. “ASSESSMENT QUALITY WATER WELLS OF VAN PHAI COMMUNITIES OF PHO YEN CITY AND PROPOSED SOLUTIONS TO IMPROVE WATER QUALITY”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 9, no. 4 (October 16, 2023). Accessed November 22, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/1001.