Studies on the nidification, behaviour and damage by the sparrows and parrots in the Punjab
Sekhon, Sukhmander Singh
Studies on the nidification, behaviour and damage by the sparrows and parrots in the Punjab - Agricultural Ecology Entomology - Ludhiana PAU 1966
BIRDS -- INJURIOUS AND BENEFICIAL
BIRD PESTS BIRDS -- INJURIOUS AND BENEFICIAL
T 632.6 S27S
Studies on the nidification, behaviour and damage by the sparrows and parrots in the Punjab - Agricultural Ecology Entomology - Ludhiana PAU 1966
BIRDS -- INJURIOUS AND BENEFICIAL
BIRD PESTS BIRDS -- INJURIOUS AND BENEFICIAL
T 632.6 S27S