Thi Hoang Oanh, Le, 		Thi Hien, Nguyen, 		Thi Ha, Nguyen, AND 		Hong, Tran Thi.
" Adsorption of N and P in Piggery Wastewater  by CaCl2 Impregnated Activated Carbons Produced  from Coconut Pitch" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], (26 March 2026)