by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Brian Bolt $5.00
by Jack Canfield, dkk $11.00
by Elisabeth Indah, P., S.Kp $5.00
by EF Dodd $6.00
by Henricus W. Ismanthono $12.00
by H. M. N. Purwosutjipto, S.H. $7.00
by - $11.00
by Eliza Handayani $10.00