00295nam a2200121Ia 4500008004100000041000900041082001800050100002500068245002700093260003700120300000800157650000800165230718s9999    xx            000 0 und d  aEng.  a343.49bBUT-T  aBUTT,Muhammad Ishfaq 0aTelecommunication laws  aPakistanb civil publisherc2009  a214  aLaw