by Kunarjo $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Dergibson Siagian & Sugiarto $13.00
by A. Shallaby $9.00
by Dr. Bahder Johan Nasution, S.H., S.M., M.Hum $7.00
by Drs. H. Abu Ahmadi $9.00