Gaya APA
Tambang, P, A., Priyono, I, A. (1975`).
A Report on the progress of the Yogya Iron & steel project and the significance of the Iron-sand beach deposits for the iron & steel Industry in Indonesia .
Tokyo:
Comitte For Coordination of Joint Prospecting For Mineral Resource In Asian Offshore Areas.
Gaya MLA
Tambang, PT., Aneka., Priyono, Ir., Achmad.
"A Report on the progress of the Yogya Iron & steel project and the significance of the Iron-sand beach deposits for the iron & steel Industry in Indonesia".
Tokyo:
Comitte For Coordination of Joint Prospecting For Mineral Resource In Asian Offshore Areas,
1975`.
Bukan Logam.