Hartono HG, Pambudi S. Gunung Api Purba Mujil, Kulonprogo, Yogyakarta: Suatu Bukti Dan Pemikiran. Prosiding Seminar Nasional ReTII [Internet]. 2017Jan.15 [cited 2024Apr.29];00. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/261