Jurnal Teknologi Pertambangan by http://jurnal.upnyk.ac.id/index.php/jtp is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Jurnal Teknologi Pertambangan
Jurnal Teknologi Pertambangan by http://jurnal.upnyk.ac.id/index.php/jtp is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.