Anh, Hoang, Tong Tuan, and Nguyen Huong. 2024. “Design and Manufacture OfDrying Mixer in the Production of Organic FertilizerandOrganic Microbial Fertilizerfrom Poultry Manure”. Vietnam Journal of Agricultural Sciences 16 (12): 1079-91. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/523.