SUMARJONO, erry. Merkuri Dalam Bijih Emas Di Dusun Sangon II Kalirejo Kokap Kulonprogo Daerah Istimewa Yogyakarta. ReTII, [S. l.], p. 91–97, 2019. Disponível em: https://sandbox.itny.ac.id/index.php/ReTII/article/view/1515. Acesso em: 20 jul. 2025.