Popov, Egor P.
Mechanics of materials, S1 version
Prentice-Hall, 1978
 Buku Teks SO
Russell, Roberta S.
Operations management : multimedia version
Prentice-Hall, 2000
 Buku Teks
Shakespeare, William, 1564-1616
Macbeth, a modern version
Regents Publishing Company, 1963
 Buku Teks SO
Shakespeare, William, 1564-1616
Macbeth : a modern version
Regents Pub., 1963
 Buku Teks SO
HX-Net Version 5.0
Chemical Engineering, Department of Gas and Petrochemical Engineering, Faculty of Engineering. University of Indonesia
 Buku Teks SO