Van, Dinh Thi Tuyet, Nguyen Thi Thu, Nguyen Hong Linh, Nguyen Thi Men, Tran Van Khanh, and Le Thi Nhi Cong. “Efficiency of Using Probiotic Elac-Grow and Han-Proway in Laying-Egg Hens”. Vietnam Journal of Biotechnology 20, no. 1 (March 30, 2022): 143–150. Accessed July 18, 2024. https://vjs.ac.vn/index.php/vjbt/article/view/16075.