NATALIA, N. (2019). PENGARUH PENAMBAHAN ABU TANDAN KOSONG KELAPA SAWIT (ATKKS) TERHADAP KUAT TEKAN BETON. Jurnal Tugas Akhir Teknik Sipil, 1(2), 69 - 73. Retrieved from https://ojs.poltekba.ac.id/ojs/index.php/jutateks/article/view/66