Nguyen, Thanh Duoc, Binh Doan, and Thu Hong Pham Thi. “Immobilizing Bacillus Subtilis on the Carrier of Poly (acrylic acid)/Sodium Bentonite for Treating Sludge from Pangasius Fish Ponds”. Nuclear Science and Technology 6, no. 1 (March 30, 2016): 43-49. Accessed May 4, 2024. http://jnst.vn/index.php/nst/article/view/145.