by Dra. L. Simanjuntak $9.00
by Irawan Soejito $6.00
by Syamsudin Haris $20.00
by Drs. Amin W. Tunggal Ak., M.B.A $22.00
by Yosef P. Widyatmadja $9.00
by Dra. Ninik Widiyanti $9.00