000 00320nam a22001457a 4500
020 _a9789327257472
082 _bSIN/EX
100 _aSingh Ranji
245 _aExtension education.
260 _aNEW DELHI
_bKalyani Publishers
_c2017
300 _a406p.
650 _aExtension
700 _aSingh Ranji
942 _cBK
999 _c8015
_d8014