Irrigation and Power Research Institute Amritsar
UPPAL, H.L
Irrigation and Power Research Institute Amritsar - 1959 - 181p - Research publication,no.11 .
IRRIGATION
IRRIGATION POWER - RESOURCES
627.52 U-6I
Irrigation and Power Research Institute Amritsar - 1959 - 181p - Research publication,no.11 .
IRRIGATION
IRRIGATION POWER - RESOURCES
627.52 U-6I