Deni Susanti R, Kesuma Hadi I, Sitompul S, Shubhan I. Effect Bottom Ash as Partial Substitute of Sand on Compression Strength of Concrete. IJET [Internet]. 2019 May 11 [cited 2024 May 20];7(4):6084-7. Available from: https://sciencepubco.com/index.php/ijet/article/view/20854