Research work under emeritus scientist's scheme: report for the period ending November, 1971
UPPAL, H. L
Research work under emeritus scientist's scheme: report for the period ending November, 1971 - Ludhiana 1971 - 366p
IRRIGATION -- PUNJAB
IRRIGATION -- PUNJAB
631.7 U-5R
Research work under emeritus scientist's scheme: report for the period ending November, 1971 - Ludhiana 1971 - 366p
IRRIGATION -- PUNJAB
IRRIGATION -- PUNJAB
631.7 U-5R