by Bob Messing $7.00
by Drs. Jumingan, S.E., M.M., M.Si $11.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Indrasari Tjandraningsih, Hari Nugroho, Surya Tjandra $10.00
by Michael P. Todaro $12.00
by $16.00
by Hendarmin Djarab, S.H., M.B.A., dkk. $6.00