Kien, Tran, Hai Le, Hung Nguyen, Hieu Tran, Thao Nguyen, and Thang Nguyen. “Improving Nitrogen Recycling in an Aquaponics System by Adding a Composting Process from Fish Sludge”. VNUHCM Journal of Earth Science and Environment 8, no. 1 (June 30, 2024): 839-849. Accessed June 2, 2025. http://stdjsee.scienceandtechnology.com.vn/index.php/stdjsee/article/view/752.