Földünk és környezetünk 1. rész
environmental pollution, too much waste, recycling, selective collection, wrappings, group of pupils and teacher from Trefort secondary grammar school
Institution: | Open Society Archives at Central European University |
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Language: | Hungarian |
Subjects: | |
Online Access: | http://hdl.handle.net/10891/osa:387f575c-eb68-4ed5-b429-ca8e8d83146d |
Summary: | environmental pollution, too much waste, recycling, selective collection, wrappings, group of pupils and teacher from Trefort secondary grammar school |
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