The use of programmed text material in teaching rice culture in some secondary agricultural schools in the Philippines [microform].
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | Visual Material |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Quezon City
Photoduplication Service. University of the Philippines Library
1977.
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| Ábhair: |