NATALIA N. PENGARUH PENAMBAHAN ABU TANDAN KOSONG KELAPA SAWIT (ATKKS) TERHADAP KUAT TEKAN BETON. JUTATEKS [Internet]. 2019Jul.19 [cited 2024Dec.23];1(2):69 -73. Available from: https://ojs.poltekba.ac.id/ojs/index.php/jutateks/article/view/66