by A.M. Mangunhardjana, SJ $5.00
by Prof. H. Muzzayin Arifin $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by - $12.00
by A. Mappdjantji Amien $13.00
by Prof. H.M. Arifin, M.Ed $9.00