Kumar, Ashok Nigam, Prem Mohan
Plant Protection- Insect Control - Delhi, Sinkay Publications 1991 - 191
Plant Protection/ Insect Control/ Pest Control
632. 93 NIG
100
Plant Protection- Insect Control - Delhi, Sinkay Publications 1991 - 191
Plant Protection/ Insect Control/ Pest Control
632. 93 NIG
100