LeBoeuf, Michael
The productivity challenge, how to make it work for america and you
McGraw-Hill, 1982
Buku Teks
LeBoeuf, Michael
The productivity challenge how to make it work for America and you
McGraw-Hill, 1982
Buku Teks
Gallagher, Winifred
I.D.: how heredity and experience make you how you are /Winifred Gallagher
Random House , 1996
Buku Teks
Torney, John C.
Only you can make you happy: tips praktis hidup bahagia
Kanisius, 2006
Buku Teks
XL. Effendi Budi P.
Branding you with your smile: strategi membangun citra diri di depan publik
Gradien Books , 2006
Buku Teks