“10.28936 USING NATTOKINASE IN CHEDDAR RIPENING: USING NATTOKINASE IN CHEDDAR RIPENING”. Iraqi Journal of Market Research and Consumer Protection, vol. 10, no. 1, Feb. 2018, pp. 141-9, https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/23.