Thi Hoang Oanh, L., 		Thi Hien, N., 		Thi Ha, N., & 		Hong, T.
2026 Mar 26.  Adsorption of N and P in Piggery Wastewater  by CaCl2 Impregnated Activated Carbons Produced  from Coconut Pitch. VNU Journal of Science: Earth and Environmental Sciences. [Online] :