by WK $16.00
by Ir. M. Lies Suprapti $6.00
by WK $11.00
by $7.00
by Haryoto $5.00
by $6.00
by FH UII $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A. $7.00
by Drs. Daryanto $11.00
by Peter Allis $9.00
by WK $13.00
by Pelangi Sdn. Bhd $5.00