Humaidi, Muhammad, and Muhammad Hafizh. “PENGARUH NILAI SLUMP TERHADAP KUAT TEKAN”. Jurnal INTEKNA : Informasi Teknik dan Niaga 11, no. 2 (March 26, 2017). Accessed July 3, 2024. https://ejurnal.poliban.ac.id/index.php/intekna/article/view/68.