Guide on Crop Pests (Write off Book/2006-07 Dt:30-03-2007)
"Regupathy A, et al."
Guide on Crop Pests (Write off Book/2006-07 Dt:30-03-2007) - Sooriya Desktop Publishers 1997
Entomology
Guide on Crop Pests (Write off Book/2006-07 Dt:30-03-2007) - Sooriya Desktop Publishers 1997
Entomology