Harris, Ben M.
Supervisory behavior in education / Ben M. Harris
Prentice Hall Inc., 1975
 Buku Teks
Haeoe Hongbowon
K-classics : a new presence on the world's musical stage
Korean Culture and Information Service, 2011
 Buku Teks SO
Reliable numerical computation / edted by M. G. Cox and S. Hammarling
Clarendon Press, 1990
 Buku Teks SO
Goldratt, Elihayu M.
The Goal : a prosess of ongoing improvement / Eliyahu M. Goldratt, Jeff Cox
North River Press, 1992
 Buku Teks SO
Cox, Brian
Cox on Cox : an english curriculum for the 1990s / Brian Cox
Athenaeum Press, 1999
 Buku Teks SO