Amin, M.R. et al. 2019. Effects of black pepper, tulsi, peppermint, garlic, black cumin, papaya, cinnamon and patent probiotics on growth performance of broiler. Asian-Australasian Journal of Bioscience and Biotechnology. 4, 3 (Dec. 2019), 135–141. DOI:https://doi.org/10.3329/aajbb.v4i3.65075.