NURAINI, siti. Lapisan condensed section pada batulempung gampingan Nanggulan, Pegunungan Kulonprogo, DIY. ReTII, [S. l.], p. 272–279, 2020. Disponível em: https://journal.itny.ac.id/index.php/ReTII/article/view/2070. Acesso em: 3 apr. 2025.