N. Mohamad, “Effects of Incorporating Banana Skin Powder (BSP) and Palm Oil Fuel Ash (POFA) on mechanical properties of lightweight foamed concrete”, ijie, vol. 10, no. 9, Jan. 2019, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/3104