Yunus, Muhammad, and Muhammad Aswan. “Pengaruh Penambahan Abu Batu (Fly Ash) Terhadap Plastisitas Tanah Lempung Di Kabupaten Fakfak”. Jurnal Poli-Teknologi 19, no. 1 (January 3, 2020): 79–86. Accessed February 15, 2025. https://jurnal.pnj.ac.id/index.php/politeknologi/article/view/2731.