PANG’ RARAN, Josua Gilang; WONG, Irwan Lie Keng; APRIYANI, Ika. Pengaruh Penambahan Bubuk Gypsum Pada Tanah Lempung Dengan Pengujian Direct Shear. Paulus Civil Engineering Journal, Makassar, I.D., v. 4, n. 1, p. 53–60, 2024. DOI: 10.52722/4rf1pp03. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/196. Acesso em: 23 jul. 2025.