Nei, Lembit, Tartu College, Tallinn University of Technology, Estonia
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European Scientific Journal, ESJ Vol 10 No 22 (2014): ESJ August Edition - Articles
CHEMISTRY IN COLLEGE−LEVEL ENVIRONMRNTAL SCIENCE CURRICULA
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European Scientific Journal, ESJ ESJ APRIL 2017 /SPECIAL/ EDITION - Articles
Sewage Sludge Composting and Pharmaceuticals
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