TRIANA, Yulis Hendrita; TANAN, Benyamin; WONG, Irwan Lie Keng. Pengaruh Penambahan Limbah Ampas Kopi Terhadap KoefisienPermeabilitas Tanah dan Piping. Paulus Civil Engineering Journal, Makassar, I.D., v. 4, n. 3, p. 418–425, 2024. DOI: 10.52722/5s5ywd24. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/137. Acesso em: 24 jul. 2025.