Kottler, Jeffrey A.
Creative breakthroughs in therapy : tales of transformation and astonishment
John Wiley & Sons, 2009
 Buku Teks
Parkinson, Claire L.
Breakthroughs : a cronology of great achievements in science and mathematics 1200-1930
G.K. Hall, 1984
 Buku Teks
Pauli, Gunter
Breakthroughs : what business can offer society
Epsilon Press, 1996
 Buku Teks
Pauli, Gunter
Breakthroughs : what business can offer society
Epsilon Press, 1996
 Buku Teks
Korean literature : its classical heritage and modern breakthroughs
edited by Korean National Commission for UNESCO
Hollym, 2003
 Buku Referensi