00379nam a22001457a 4500003000400000020001800004082001700022100002200039245004000061260004000101300001000141546001200151650003500163650003500198OSt  a9789327283372  a630 bPAN/DI  aPankaj Kumar Ojha  aDimensions of agricultural science   aLudhianabKalyani Publishers c2018  a423p.  aEnglish  aParticipatory rural appraisal   aMycorrhiza the Nature's friend