Tiggi Choanji, Yuniarti Yuskar, Dewandra BE Putra, Catur Cahyaningsih, Adi Suryadi, and Satria Antoni. 2019. “CLUSTERING SLOPE STABILITY USING DEM LINEAMENT EXTRACTION AND ROCK MASS RATING IN PANGKALAN KOTO BARU, WEST SUMATRA, INDONESIA”. GEOMATE Journal 17 (60):225-30. https://geomatejournal.com/geomate/article/view/385.