Changing scenario of Punjab agriculture : an ecological perspective
Singh, Joginder
Changing scenario of Punjab agriculture : an ecological perspective - Ludhiana Indian Ecological Society 1997 - 22cm. 63
AGRICULTURAL ECOLOGY -- PUNJAB
AGRICULTURAL ECOLOGY -- PUNJAB
639.274.5 J47C
Changing scenario of Punjab agriculture : an ecological perspective - Ludhiana Indian Ecological Society 1997 - 22cm. 63
AGRICULTURAL ECOLOGY -- PUNJAB
AGRICULTURAL ECOLOGY -- PUNJAB
639.274.5 J47C