Environmental pollution
1971
Over 7500 entries, arranged under Ecological systems, Physical sciences applied to pollution, Effects of pollution, Air and water pollution, and Causes of pollution. Besides identification of the research, researcher, and institution, eachentry gives information about purpose, methods, progress, and source of support. Subject, researcher, supporting agency indexes.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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