Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Chopra, A. K."'

Environmental Pollution Assessment And Control Techniques

By Khanna, D. R.. New Delhi Biotech Books 2013 . 224 9788176222792

By Khanna, D. R.. New Delhi Biotech Books 2013 . 355 9788176222785

By Chopra, A. K.. Delhi Daya Publishing House 2007 . 434 8170354862

By Khanana, D. R.. Delhi Daya Publishing House 2007 . 310 8170354927

By Khanna D. R.. Delhi Daya Publishing House 2005 . 369 817035367x

By Khanna, D. R.. New Delhi Biotech Books 2013 . 306 9788176222877

By Khanna, D. R.. New Delhi Biotech Books 2013 . 334 9788176222860