Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Kumar, H. D"'

Modern Concepts of Ecology

By Kumar, H. D.. New Delhi Vikas Publishing House Pvt. Ltd. 1995 . 478 9780706986761

By Kumar, H. D.. New Delhi Vikas Publishing House Pvt. Ltd. 1977 . 377

By Kumar, H. D.. New Delhi Kalyani Publishers 1976 . 172

By Kumar, H. D.. New Delhi Affiliated East West Press Pvt. Ltd. 1995 . 270 8185938229

By Kumar, H. D.. New Delhi A. P. H. Publishing Corp. . 314 8176489948

By Kumar, H. D.. Delhi Daya Publishing House 2006 . 407 8170354129

By Kumar, H. D.. New Delhi 1976 . 172

By Kumar, H. D.. New Delhi Vikash 1985 . 293

By Kumar, H. D. Delhi : Daya Publishing House; 2006 . 407 p.