Handbook of small-scale gold mining for Papua New Guinea /

相似書籍

• Small scale gold mining in Papua New Guinea : a preliminary summary report/
  出版: (1983)
• Small scale gold mining in Papua New Guinea a preliminary summary report
  出版: (1983)
• Workshop [on] small scale gold mining in Papua New Guinea : proceedings /
  出版: (1994)
• Observations on the gold recovery operations at New Guinea Goldfields Mill on 1st and 2nd August 1981 /
  由: Blowers, Mike J.
  出版: (1981)
• Proceedings of the Conference on Small Scale Mining in Papua New Guinea : held at the University of Technology, Lae, 4th-8th June, 1983 /
  由: Conference on Small Scale Mining in Papua New Guinea (1983 : University of Technology, Lae)
  出版: (1983)