Newman A, Halim NI, Muhd Sidek MN, Mohd Saman H, Alisibramulisi A. Enhancement of High Strength Concrete Performance By Utilising Nano Waste Paper Sludge Ash. SRJ [Internet]. 2021 Aug. 27 [cited 2024 Oct. 5];18(2):89-101. Available from: https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3041