Hanh, Nguyen. “SYNTHESIS AND CHARACTERIZATION OF THE MnO2 Al2O3 CATALYST APPLIED FOR TREATMENT OF ORGANIC DYES IN WASTE WATER”. Tạp chí Khoa học Nông nghiệp Việt Nam 15, no. 3 (August 6, 2025): 290–297. Accessed August 10, 2025. https://vie.vjas.vn/index.php/vjasvn/article/view/2249.