by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Drs. H. Abu Ahmadi $9.00
by Prof. Dr. Suharsimi Arikunto $7.00
by Drs. Djalinus Syah., dkk $13.00
by Drs. Daryanto $7.00
by Prof. Drs. H. Soegyarto Mangkuatmodjo $9.00
by H. Subandi Al Marsudi $11.00