Barriers to change in appropriate technology in Papua New Guinea : Unesco Regional Seminar for South-East Asia and the Pacific University of Melbourne, Australia 11-16 November 1987 /
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| 格式: | 圖書 |
| 語言: | 英语 |
| 出版: |
Lae :
Appropriate Technology Development Institute, Papua New Guinea University of Technology,
1987.
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