H. W. Nugroho, A. R. Putri, R. D. E. Putra, and T. Z. Fitri, Trans., “Designing Circular Packaging Systems for Everyday Beverages Using Oil Palm Empty Fruit Bunch Waste”, JAASTE, vol. 1, no. 01, pp. 51–67, Dec. 2025, Accessed: Feb. 10, 2026. [Online]. Available: https://nuvantahouse.com/index.php/JAASTE/article/view/5