00705nam a2200145Ia 4500008004100000082003100041100002600072245009500098260007100193300000600264500012100270942001200391952013900403999001700542260825b        |||||||| |||| 00| 0 eng d  a338.163170954552bAs853.EA  aAsthana, S. S.925615  aEconomic analysis of conservation irrigation in well commanded area of Ludhiana disticsb/  aLudhiana:bDepartment of Agricultural Economics & Sociology,c1966  a   a"A thesis submitted to the Punjab Agricultural University for the degree of Master of Science (Agriculture & A. H.)"  2ddccBK  0010406338_163170954552000_AS853_EA708GR921397aISIbISId1998-10-27l0o338.163170954552 As853.EApG906r2019-02-14 00:00:00yBK  c17384d17384