Nguyen, Huyen, Le Hai, Tung Tra, Nguyen Viet Thang, Tran Thi Hieu, Thu Nguyen, Dong Thi Thu Huyen, and Nguyen Thi Phuong Thao. “Study on the Use of Sludge Farming of Catfish As Organic Fertilizer and Evaluate Its Effectiveness in Agriculture”. VNUHCM Journal of Earth Science and Environment 4, no. 1 (April 5, 2020): 128-139. Accessed July 31, 2025. http://stdjsee.scienceandtechnology.com.vn/index.php/stdjsee/article/view/502.