by Al. Purwa Hadiwardoyo, MSF. $4.00
by Drs. Husein Umar, S.E., M.M., MBA $13.00
by Drs. Soemarso, S.R $16.00
by Harjawiyata, Frans, OSCO $4.00
by $9.00
by Leo Suryadinata $4.61