“THE CHANGE OF SANDY SOIL PROPERTIES AFTER ADDING CHARCOAL PRODUCED FROM A TRADITIONAL KILN IN THE MEKONG DELTA, VIET NAM”. TẠP CHÍ KHOA HỌC TRƯỜNG ĐẠI HỌC TRÀ VINH 1, no. 42 (February 24, 2021): 109–115. Accessed January 21, 2026. https://journal.tvu.edu.vn/vi/index.php/tckh/article/view/25.