NURFIYANTO, D. Studi Fasies Formasi Jonggrangan di Lintasan Jatimulyo, Girimulyo, Kulonprogo. ReTII, [S. l.], 2018. Disponível em: https://journal.itny.ac.id/index.php/ReTII/article/view/711. Acesso em: 25 mar. 2025.