000 00261nam a22001217a 4500
003 SGT
082 _bRAY
100 _aRAY, G.L.
245 _aEXTENSION COMMUNICATION AND MANAGEMENT
260 _bKALYANI PUBLICATION
_c2017
300 _a382
942 _2ddc
_cBK
_04
999 _c15417
_d15417