by Peter Allis $9.00
by Endar Sugiarto & Ir. Kusmayadi $9.00
by Drs. Husein Umar, S.E., M.M., MBA $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Rosady Ruslan $7.00
by Gunawan Widjaja $7.00