Pang’ Raran, Josua Gilang, Irwan Lie Keng Wong, and Ika Apriyani. 2024. “Pengaruh Penambahan Bubuk Gypsum Pada Tanah Lempung Dengan Pengujian Direct Shear”. Paulus Civil Engineering Journal 4 (1): 53-60. https://doi.org/10.52722/4rf1pp03.