Hidayat, Rokhmat. “Slope Stability Analysis In Caok Village Landslide, Purworejo, Central Java”. JURNAL SUMBER DAYA AIR 14, no. 1 (July 10, 2018): 63–74. Accessed November 8, 2025. http://jurnalsda-dev.pusair-pu.go.id/index.php/JSDA/article/view/195.