Biswas, A.K., Rahman, M.M., Hassan, M.Z., Sultana, S., Rahman, M.M. and Mostofa, M. 2017. Effect of tulsi (Ocium sanctum) leaves extract as a growth promoter in broiler productio. Asian Journal of Medical and Biological Research. 3, 2 (Aug. 2017), 226–232. DOI:https://doi.org/10.3329/ajmbr.v3i2.33574.