Abdullah M., Roger S.L, and Michael D.D, “PRELIMINARY STUDY OF RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF OIL REMOVAL BY ADSORBENT-BASED PINEAPPLE PEEL WASTE”, MJIT, vol. 2, no. 1, pp. 25–29, Jun. 2017, Accessed: Jun. 17, 2026. [Online]. Available: https://ejournal.unikl.edu.my/index.php/mjit/article/view/524