by Niels Mulder $7.00
by Prof. J. Suprapto, M.A. APU $11.00
by P. S. Siswoputranto $13.00
by Bur Rusuanto $12.00
by Fauzan $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00