by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $7.00
by Lies Aryati $6.00
by Arifin Pasaribu $5.57
by Drs. Basir Barthos $11.00
by Eileen Rachman (Kata Pengantar) $7.00
by Ketut Rindjin $7.00
by Abd. Ghalib Isa $6.00