Abbasalizadeh, Saeed, Mohammad Amin Hejazi, and Mahdi Pesaran Hajiabbas. 2015. “Kinetics of β-Galactosidase Production by Lactobacillus Bulgaricus During PH Controlled Batch Fermentation in Three Commercial Bulk Starter Media”. Applied Food Biotechnology 2 (4):39-47. https://doi.org/10.22037/afb.v2i4.9512.