by Miles Matthew B. dan A. Michael Huberman $9.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Kamarwan, Sidharta S $6.00
by Dogra, S.K & S. Dogra $12.00
by H. Rusli, Ronnie $5.00
by Warisno $7.00
by FH UII $9.00
by Drs. Daryanto $11.00
by Peter Allis $9.00
by WK $13.00
by Pelangi Sdn. Bhd $5.00