Phu, Le, and Nguyen Thu Sang. “STUDYING THE PURIFICATION OF ENZYME CHYMOPAPAIN IN VIETNAMESE CARICA PAPAYA L. FRUIT LATEX”. VNUHCM Journal of Science and Technology Development 9, no. 5 (May 31, 2006): 59-64. Accessed August 12, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2912.