000 00532nam a2200229Ia 4500
008 180514s9999 xx 000 0 und d
020 _a978-81-272-6840-4
082 _a630.715 /R211E
084 _aDDC
100 _aG.L. Ray
245 0 _aExtension communication and management
260 _aludhiana
260 _bKalyani Publishers
260 _c1991
300 _a357
942 _cBook
942 _efirst
999 _c3670
_d3670