Bakar MKS, Othman NH, Sainudin MS, Khalid FS, Muthusamy K. Utilisation of Mussel Shell Ash and Palm Oil Leaves Ash as Admixture in Concrete. ijie. 2020;12(8):310-317. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/5322