Gumilang, Pandu Dimas, Hendramawat Aski Safarisky, and Marwahyudi Marwahyudi. “PRESS STRONG CONCRETE ADDED SHELL OF KEONG SAWAH”. ASTONJADRO 10, no. 1 (March 24, 2021): 81–85. Accessed November 15, 2024. http://150.107.142.43/index.php/ASTONJADRO/article/view/3986.