Books by Guo jia zhi ye ji neng jian ding zhuan jia wei yuan hui. Ji suan ji zhuan ye wei yuan hui
Ban gong ruan jian ying yong (Windows ping tai) Office 2007 ying shi zhi nan
Tu xing tu xiang chu li (Photoshop ping tai) Photoshop 7.0/CS shi ti hui bian
Kuai ji ruan jian ying yong (yong you ruan jian xi lie) yong you tong T3 shi ti hui bian
Ban gong ruan jian ying yong (Windows ping tai) shi ti hui bian