GERWIN KEVIN BUMBUNGAN; PATANDUK, John; WONG, Irwan Lie Keng. Pengaruh Penambahan Abu Batubara Terhadap Hasil Uji Kompaksi (Studi Kasus Tanah Lempung Toraja Utara). Paulus Civil Engineering Journal, Makassar, I.D., v. 2, n. 3, p. 180–186, 2024. DOI: 10.52722/w91pqf64. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/312. Acesso em: 24 jul. 2025.