M. A. Shahrulkalam and R. Seswoya, “Methane Production from Pineapple Waste”, jaesrr, vol. 3, no. 1, pp. 56–60, Jun. 2026, Accessed: Jul. 22, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/jaesrr/article/view/26543