Khairul Nur Ihfansyah, Mochamad Teguh. Effect of coconut shell ash substitution on compressive strength, wear resistance and water absorption in paving blocks. Teknisia [Internet]. 2024 Sep. 30 [cited 2024 Nov. 13];29(1):37-46. Available from: https://journal.uii.ac.id/teknisia/article/view/36067