Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Singh, Balraj."'

Pest Population and Assessment of Crop Losses

By Atwal, A. S.. New Delhi ICAR 1990 . 131

By Singh, Brahma.. New Delhi New India Publishing Agency 2014 . xv;235p. 9789383305179

By Singh, Balraj.. .- Ludhiana : Kalyani Publishers 2020 . 168p. 8127224731

By Singh, Balraj. Ludhiana: Kalyani Publishers, 2017 . 168 p. 8127224731

.- New Delhi : New India Publishing Agency 2014 . xv,237p. 9789383305179