Tran Quyet Thang, Nguyen Minh Hung, Tran Ngoc Dao, and Phan Thi Hong Lien, “EFFECTS OF SOME FACTORS ON THE ABILITY TO BIOSYNTHESIZE ENZYME α-AMYLASE IN KOJI PREPARATION PRODUCED FROM Aspergillus oryzae”, HUIT_OJS, vol. 25, no. 5, pp. 47–54, Oct. 2025.