Brigita Suzanna, Irwan Lie Keng Wong, and Monika Datu Mirring Palinggi. “Pengaruh Penambahan Abu Arang Tempurung Kelapa Pada Tanah Lempung Terhadap Hasil Uji Kompaksi”. Paulus Civil Engineering Journal 3, no. 2 (January 21, 2024): 276–285. Accessed July 24, 2025. https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/276.