by Drs. Bambang S., dkk $9.00
by Noor, A.S.Mohammad $6.00
by Prof. Dr. Oemar Hamalik $7.00
by Fachruddin H.S $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Prof. Anas Sudijono $12.00