000 00267nam a2200097Ia 4500
008 231002s9999 xx 000 0 und d
090 _a004.692
100 0 _aJonathan Whelan
245 0 0 _aE-mel @ kerja : Panduan Berguna Mengendalikan e-mel Anda
260 _bPrentice Hall
999 _c13853
_d13853