https://studylib.net/doc/25579251/o%E2%80%99zbekistondagi-ekologik-muammolar-va-uni-hal-qilish-yo%E2%80%99l...
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O'zbekistonda mustaqillikdan keyingi ekologik muammolar, sanoat ta'siri, suvning ifloslanishi va Orol dengizi inqirozini o'rganadi.
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https://studylib.net/doc/27678044/2-topshiriq-ekologiya.sirtqi
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Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics
2ekologiyasirtqi
https://hum-ecol.ru/1728-0869/
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