by Drs. Daryanto $6.00
by Dr. Ahmad Hasan $13.00
by Erick Reidenbach $9.00
by Drs. A. Hasymi Ali $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Prof. Dr. Suharsimi Arikunto $9.00
by Abdul Aziz asy-Syinnawi $6.00