00445nam a2200169Ia 4500008004100000020001500041041000800056082001900064100001500083245006400098260004800162300000800210365001000218650002000228650001100248700001600259140306s9999    xx            000 0 und d  a8170231787  aeng  a338.16bKAH/EC  aKahlon, AS  aEconomics of farm management in India : theory and practice  aNew DelhibAllied Publishers Pvt. Ltdc1980  a424  bRs.85  aFarm efficiency  aLabour  aKaram singh