000 00266nam a2200097Ia 4500
008 230930s9999||||xx |||||||||||||| ||und||
100 _aLiu, dale.
245 0 _aCisco CCNA/ CCENTExam 640-802, 640-822, 640-816 Preparation Kit
260 _aBurlignton
260 _bElservier
999 _c6032
_d6032