00398nam a2200133Ia 4500008004100000020001500041082002000056100000500076245011900081260002800200300000800228650000900236700001900245140316s9999    xx            000 0 und d  a9712202879  a633.187bPAN/PA  a  aPatterns of adoption of improved rice varieties and farm-level impacts in stress-prone rainfed areas in South Asia  aPhilippinesbIRRIc2012  a314  aIRRI  aPandey,S et.al