Nguyen, Thi Diem Trinh, Thi Thuy Dung Le, and Thi Phuong Nguyen. “Treating Coffee Grounds and Its Application As Substrates for Water Spinach (Ipomoea Aquatic) Growth in Hydroponic System”. Dong Thap University Journal of Science 9, no. 3 (June 14, 2020): 73–79. Accessed September 8, 2024. https://dthujs.vn/index.php/dthujs/article/view/270.