4 1 20 Kusyanto Primary Author mixed material Bogor Antam – Unit Geologi 1981 2019110287.jpg.jpg Kusyanto Primary Author If, Syafrudin Primary Author Yosef, A. Herman Primary Author Widodo, Hidayat Primary Author Suryono, Ari Puji Primary Author Suryanto, Rin Primary Author mixed material Jakarta Antam – Unit Geologi 1998 C-2018090799.jpg.jpg Tim Geologi A Wahyudi Primary Author Hartono Primary Author Kusyanto Primary Author Harmaen, Harjana Primary Author Pranoto Primary Author Subadi Primary Author Risarojo, Djoko Primary Author Purwanto Primary Author mixed material Jakarta Antam 1998 Compressed_C-2018090717.jpg.jpg Wahyudi Primary Author Agustiar Primary Author Affan, Ronald Primary Author Kusyanto Primary Author mixed material Jakarta Antam – Unit Geologi 1998 Compressed_C-2018090524.jpg.jpg