by Ir. Endar Sugiarto $9.00
by Rendra Widyatama $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Mike Freedman $11.00
by Drs. Muchdarsyah Sinungan $9.00
by Alex Kertamanah $7.00