000 00364nam a22001577a 4500
999 _c8311
_d8310
020 _a9789327276541
082 _bRAY/EX
_a630.715
100 _aRay G L
245 _aExtension communication and management
250 _a8th rev.ed
260 _aNEW DELHI
_bKalyani Publishers
_c2016
300 _a382p.
650 _aExtension
700 _aRay G L
942 _cBK