Nguyễn, Thị Phượng, Xuân Cường Nguyễn, Thị Cúc Phương Trần, Thị Hoài Giang Nguyễn, and Thị Thảo Nguyên Nguyễn. “Evaluating Organic Matter Removal Efficiency in Pig Farm Wastewater After Biogas Tank Using a Two-Stage Filtration System With Biochar from Mimosa Pigra”. Hue University Journal of Science: Natural Science 134, no. 1C (September 30, 2025): 147-157. Accessed October 7, 2025. https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/8089.