000 00294nam a22001337a 4500
003 BD-DhDIU
005 20160724100619.0
008 160724b xxu||||| |||| 00| 0 eng d
040 _cBD-DhDIU
082 _bP07506
245 _aA study on VOIP
260 _aDhaka
_bETE, DIU
942 _2ddc
_cPR
999 _c11770
_d11770