Nugrahini, Rr. Amara, Hill Gendoet Hartono, and T. Listyani R.A. “PALEOMORFOGENESIS BENTANG ALAM KOMPLEKS GUNUNG IJO, KULONPROGO”. KURVATEK 5, no. 2 (December 10, 2020): 1–8. Accessed April 12, 2025. https://journal.itny.ac.id/index.php/krvtk/article/view/1831.