000 00311nam a22001337a 4500
999 _c1229
_d1229
020 _a9848090403
082 _a621.382
100 _aMd Abdus Samad
245 _aCommunication engineering fundamentals
250 _a2nd
260 _aDhaka
_bUniversity grand commission
_c2009
300 _a346
942 _cBK
_02