To cite this article: Ullah, N., Nadeem, M., Rehman, M.M., Nelofer, R. and Arfat, Y., 2021. Statistical optimization of alkaline protease production by newly isolated bacillus strain using industrial skin waste as a novel substrate. Punjab Univ. J. Zool., 36(2): 225-233. https://dx.doi.org/10.17582/journal.pujz/2021.36.2.225.233