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Зараз показуються 11-20 з 32

ecosanitary approach,railway transport, hygienic requirements,environmentalization, waste products. (1)
education, educational environment, ecological culture, ecological crisis, ecological consciousness (1)
environmental competence, environmental education, sustainable development. (1)
environmental education, environmental education, younger schoolchildren (1)
Environmental education, students, primary school, chemistry lessons, problem solving, problem solving, natural patterns. (1)
excursion, ecological culture; ecological educational; natural sciences, educational process; applicants for education. (1)
forest conservation, nature reserve fund, forest ecosystem, forestry measures, aboriginal breeds. (1)
nature reserve fund, botanical monuments of nature, monitoring, photosynthesis, chlorophyll, fluorescence. (1)
optimization, nature reserve fund, conservation case, nature protection, Vinnytsia region. (1)
physical and geographical characteristics, biotopes, nature use, ecological condition, protected object. (1)