by - $16.00
by Drs. Basir Barthos $9.00
by Ahmad Ibrahim Abu $11.00
by James Champy $13.00
by Ernest Dichter $9.00
by M. Ali Hasan $7.00
by H. Dahlan Thaib, dkk $7.00
by Alvin S. Johnson $11.00
by Ir. Sarjoni Basri $7.00
by J. Donald Walters $5.00
by Park In-Hwan, dkk $15.00
by Donny Dhirgantoro $5.77