by Freddy Rangkuti $9.00
by Prof. Dr. Budi Winarno $9.00
by J.A.F. Stoner $11.00
by Bilson Simamora $13.00
by Prof. Komaruddin $16.00
by Danton Sihombing, MFA $20.00
by Neil F. Gordon $6.00
by P. M. Laksono, dkk $6.00