by Henry Simamora, S.E $18.00
by Djoko Prakoso, S.H $12.00
by Maesaroh D. Mansur, S.Pd $6.00
by H. Hartono, A. Ma. Pd $6.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Dra. Roestiyah NK $7.00