Educational communication for development basic concepts, theories and know-how
| 第一著者: | |
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| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Los Banos, Laguna
College of Agriculture, University of the Philippines, Los Banos
2003, c1991.
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| 版: | Rev. ed. |
| 主題: |