An environmental education approach to training of middle level teachers a prototype programme

ग्रंथसूची विवरण
निगमित लेखक: Unesco. UNEP International Environmental Programme
अन्य लेखक: Marcinkowski, Thomas J., Volk, Trudi L., Hungerford, Harold R.
स्वरूप: थीसिस
भाषा:English
प्रकाशित: Paris Unesco c1990.
श्रृंखला:Environmental education 30
विषय: