Földünk és környezetünk 1. rész

environmental pollution, too much waste, recycling, selective collection, wrappings, group of pupils and teacher from Trefort secondary grammar school

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