Gumilang PD, Safarisky HA, Marwahyudi M. PRESS STRONG CONCRETE ADDED SHELL OF KEONG SAWAH. Astonjadro [Internet]. 2021 Mar. 24 [cited 2024 May 2];10(1):81-5. Available from: https://ejournal.uika-bogor.ac.id/index.php/ASTONJADRO/article/view/3986