by Senjum H. Manulang, S.H $9.00
by Ny. Eny Rahmaningsih $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Ir. Suharto $11.00
by Bambang Prasetyo $9.00
by Abel Tasman $6.00