शर्मा, कृष्ण दत्त

प्रदूषण: भयानक समस्या-निवारण एवं उपाय - जयपुर: युनिक ट्रेडर्स, 1989 - 118पृ.; 22सेमी.


Pradushan:bhayanak samasya nivaran evam upay
Environmental pollution
Environmental protection
Environmental law
Pollution--Prevention

502.175 M9

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