Chen, Chaomei
Turning points : the nature of creativity
Springer-Verlag, 2011
eBooks
The nursing profession : turning points
edited by Norma L. Chaska
Mosby , 1990
Buku Teks SO
Ingpen, Robert
Encyclopedia of ideas that changed the world : the greatest discoveries and inventions of human history
Dragon's World, 1993
Buku Referensi
An encyclopedia of world history : ancient, medieval, and modern chronologically arranged
compiled and edited by William L. Langer
Houghton Mifflin, 1968
Buku Referensi
Points
Buku Teks