00513nam a2200109Ia 4500008004100000082003000041100002600071245012600097260005300223300000600276500012100282260825b        |||||||| |||| 00| 0 eng d  a338.163270954552bD534.EA  aDhillon, Gurpal Singh  aAn economic analysis of irrigation use for cotton and gram in the Punjab, Ludhiana, Department of Economic & Sociologyb/  aPunjab:bLudhiana Agricultural University,c1966  a   a"A thesis submitted to the Punjab Agricultural University for the degree of Master of Science (Agriculture & A. H.)"