“Probiotic Effect of Bacillus Subtilis B-2998D, B-3057D, and Bacillus Licheniformis B-2999D Complex on Sheep and Lambs”. 2021. Journal of Advanced Veterinary and Animal Research 8 (1): 146-57. https://www.banglajol.info/index.php/JAVAR/article/view/76038.