Strasser, Stephen
Pojie gongzuo ke = work is not a four-letter word : improving the quality of your work lifa
ian Xia Wen Hua, 1994
 Buku Teks
Richman, Larry
Improving your project management skills
[American Management Association;;, ], 2012
 eBooks
Richman, Larry
Improving your project management skills
American Management Association, 2006
 eBooks
Bernstein, Jacob
Stock market strategies that work
McGraw-Hill, 2002
 Buku Teks SO
Improving your human-computer interface : a practical technique
Andrew Monk [and others]
Prentice-Hall, 1993
 Buku Teks