Shukor, S.N. and Noh, M.Z. (2025) “Enhancing the Physico-Mechanical Properties of Concrete via Hydrochloric Acid Treatment on Palm Oil Fuel Ash Additives”, Enhanced Knowledge in Sciences and Technology, 5(2), pp. 307–316. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/ekst/article/view/18399 (Accessed: 7 April 2026).