Osman MH, MUHAMAD MS, A Rahman NK, Adnan SH, Salim S, Mat Nor AH. The Mechanical Properties Of Concrete Containing Of Palm Oil Fuel Ash (0%, 10%, 20% And 30% POFA) And Modified Expanded Polystyrene Beads ( 20% And 30% EPS) As Replacement Materials Using Finite Element Method: Concrete Containing Of Palm Oil Fuel Ash (0%, 10%, 20% And 30% POFA) And Modified Expanded Polystyrene Beads ( 20% And 30% EPS). peat [Internet]. 2020 Dec. 11 [cited 2024 Apr. 28];1(1):66-9. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/119