Iswady, Iswady, Sri Gusty, and Muhammad Chaerul. “Analysis of the Use of Palm Shells As a Substitute for Fine Aggregate on the Water Absorption of Concrete”. ASTONJADRO 14, no. 4 (December 31, 2025): 1122–1131. Accessed February 1, 2026. https://ejournal.uika-bogor.ac.id/index.php/ASTONJADRO/article/view/19091.