000 00490nam a2200217Ia 4500
008 180514s9999||||xx |||||||||||||| ||und||
082 _a630.719/R211S
084 _aDDC
100 _aG.L. Ray
245 0 _aStudies in Agricultural Extension And Management
260 _aNew Delhi
260 _bMittal
260 _c1989
300 _av,158
650 _aExtension
942 _cBook
999 _c13808
_d13808