Irrigation and power research institute Amritsar(India) :report
UPPAL, H.L
Irrigation and power research institute Amritsar(India) :report - 180p - Research publication no.14 .
IRRIGATION
IRRIGATION POWER -- RESOURCES
627.52 U-6I
Irrigation and power research institute Amritsar(India) :report - 180p - Research publication no.14 .
IRRIGATION
IRRIGATION POWER -- RESOURCES
627.52 U-6I