Studies on biogy and relative efficacy of fumigants against
Singh, Krishna Bahadur
Studies on biogy and relative efficacy of fumigants against - Bhagalpur BAC, Sabour 1970 - 52
Entomology& Zoology
5959.7 S 643 S
Studies on biogy and relative efficacy of fumigants against - Bhagalpur BAC, Sabour 1970 - 52
Entomology& Zoology
5959.7 S 643 S