PURWANTO; ZUFIALDI ZAKARIA; EKO TEGUH PARIPURNO; BOY YOSEPH C.S.S.S.A. ANGLE OF SLOPE AND SLOPE SAFETY FACTOR RELATIONSHIP IN GENDOL RIVER, SOUTHERN SLOPE OF MERAPI VOLCANO, YOGYAKARTA. GEOMATE Journal, [S. l.], v. 17, n. 64, p. 93–99, 2019. Disponível em: https://geomatejournal.com/geomate/article/view/392. Acesso em: 18 apr. 2024.