Ismail, Normah, and Nur’ Ain Mohamad Kharoe. “Extraction and Partial Purification of Protease from Bilimbi (Averrhoa Bilimbi L.)”. Scientific Research Journal 10, no. 2 (December 31, 2013): 29–49. Accessed June 9, 2025. https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3320.