“Optimization of the Isolation and Purification Method of Pharmaceutical Grade Pectin from Pomelo Fruit Peels (Citrus Maxima Merr. [family rutaceae]) ”. Acta Medica Philippina 52, no. 4 (July 31, 2018). Accessed April 18, 2025. https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/373.