Pengantar ekonomi perusahaan/ Edilius.....( et al)l
oleh Edilius ... [and others]
Rineka Cipta, 1992
 Buku Teks SO
Save the birds / Rudolph L. Schreiber ... [et al.]
Houghton Mifflin, 1989
 Buku Teks
Wheelen, Thomas L.
Strategic management and business policy / Thomas L. Wheelen
Parson, 2004
 Buku Teks
Wheelen, Thomas L.
Strategic management and business policy / Thomas L. Wheelen
Parson, 2004
 Buku Teks
Physical science : a problem solving approach / Joseph L. Carter ...[et al.]
Ginn and Co., 1974
 Buku Teks SO