An environmental education approach to training of middle level teachers a prototype programme
निगमित लेखक: | |
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अन्य लेखक: | , , |
स्वरूप: | थीसिस |
भाषा: | English |
प्रकाशित: |
Paris
Unesco
c1990.
|
श्रृंखला: | Environmental education
30 |
विषय: |