Hasudungan, Harsan Ingot, and Muhammad Aswin. “Investigasi Kuat Tekan Paving Block-Ecc Oktagonal Berbasis Fly Ash Dan Abu Sekam Padi”. Jurnal Syntax Admiration 3, no. 11 (November 18, 2022): 1353-1365. Accessed April 18, 2024. https://jurnalsyntaxadmiration.com/index.php/jurnal/article/view/493.