Hamid, S. E. A., Saleem, A. S. Y., Youssef, M. I., Mohammed, H. H., & Abdelaty, A. I. (2020). Influence of housing systems on duck behavior and welfare. Journal of Advanced Veterinary and Animal Research, 7(3), 407–413. Retrieved from https://banglajol.info/index.php/JAVAR/article/view/75593