00389nam a2200097Ia 4500082002600000100001600026245015500042260007500197300000700272546001200279  a631.558 HAU HbPAN/CO  aPandey, R N  aConstraints in adoption of recommended crop production technology and attainable yields gaps in South Western region of haryana : an economic analysis  aHaryanabDirectorate of research Haryana agricultural universityc1987  a47  aEnglish