WULANSARI, D., B. WAHYUNTARI, T. TRISMILAH, and A. NURHASANAH. “The Effect of Growth Medium PH towards Trypsin-Like Activity Produced by Lactic Acid Bacteria”. Microbiology Indonesia, vol. 6, no. 2, May 2012, p. 1, doi:10.5454/mi.6.2.1.