ZAMRI SSBM, GHANI LBA. Using Mental Modeling to study the management of used cooking oil in Kuala Nerus. IJESSS [Internet]. 2024 Jul. 31 [cited 2026 Jun. 6];5(4):1209-25. Available from: https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/1100