T. Patandung, A. Ahmad, and Rismaneswati, “SIFAT FISIK TANAH YANG MEMENGARUHI KEJADIAN LONGSOR DI MAKALE SELATAN: The Physical Properties of Soil that Affected the Landslide Event in South Makale”, JES, vol. 9, no. 2, pp. 61-73, Jan. 2021.