Afrin, Samia, et al. “Physical, Chemical and Microbiological Qualities of Dahi Collected from Bogra and Mymensingh District of Bangladesh”. Asian-Australasian Journal of Bioscience and Biotechnology, vol. 1, no. 1, Apr. 2016, pp. 134-40, doi:10.3329/aajbb.v1i1.61546.