000 00494nam a2200181Ia 4500
008 190919s9999||||xx |||||||||||||| ||und||
020 _a9789327276541
_c350
040 _cPCMM Library
082 _a630.715
_bR211
100 _aRay, G. L.
245 0 _aExtension communication and management
_cG. L. Ray
250 _a8th Ed.
260 _aKolkata
_bKalyani publishers
_c2017
300 _a382 p.
_c20 cm.
500 _aincludes index
650 _aHuman development ; Education
942 _cBK
999 _c314
_d314