by Koestoer, Raldi Hendro $6.00
by Drs. Muchdarsyah Sinungan $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Dr. Henry Cloud $11.00
by Husein Umar $9.00
by $5.00
by Djoko Prakoso, S.H $7.00