Hepiyanto, Rasio, and Mohammad Arif Firdaus. “PENGARUH PENAMBAHAN ABU BONGGOL JAGUNG TERHADAP KUAT TEKAN BETON K - 200”. UKaRsT 3, no. 2 (November 1, 2019): 86–93. Accessed May 2, 2024. https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/475.