by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Laurence D. Ackerman $9.00
by Richard I Levin $16.00
by Dr. H. Abuddin Nata, MA $7.00
by C.M. Lingga Purnama, MM. $9.00
by Michael P. Todaro $16.00
by Ter Harr $0.00
by Denny J. A $6.00
by Ir. Setijo Pitojo $7.00
by H. Rahmat Rukmana $6.00
by Aziz Alimul $0.00
by Sukim Prayitno & Tri Susanto $6.00