2 results
International Young Pioneers, Seminar-camp on Nature Conservation, held at Druzhba Near Varna, Bulgaria, 21 May–1 June 1974
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- Journal:
- Environmental Conservation / Volume 1 / Issue 4 / Winter 1974
- Published online by Cambridge University Press:
- 24 August 2009, pp. 311-312
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International Workshop on Environmental Education held at the ‘Yugoslavia’ Hotel, Belgrade, Yugoslavia, 13–22 October 1975
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- Journal:
- Environmental Conservation / Volume 3 / Issue 1 / Spring 1976
- Published online by Cambridge University Press:
- 24 August 2009, pp. 76-77
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