by Najib Khalid al-Amir $7.00
by Drs. Husein Umar, S.E., M.M., MBA $13.00
by Prof. Dr. Veithzal Rivai $13.00
by - $13.00
by Prof. J. Suprapto, M.A. APU $9.00
by Max Sutherland & Alice K. Sylvester $12.00