by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Datje Rahajoekoesoemah $28.00
by Abuddin Nata $7.00
by Fachruddin H.S $18.00
by Drs. Hafifi $22.00
by Prof. Soetjipto dan Drs. Raflis Kosasi, M.Sc $9.00