by Pelangi Sdn. Bhd $5.00
by $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by John Tschohl $7.00
by Fachry Ali $4.71
by Ir. Sugiarto, dkk $13.00
by Ali Hasan Abdul Hamid $5.00