by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $6.00
by J. Darminta, SJ $3.00
by Ir. M. Lies Suprapti $5.00
by $6.00
by Fachruddin H.S $7.00
by Ir. Hieronymus Budi Santoso $5.00
by Michael Sherraden $13.00
by Nyonya Rumah $7.00
by APPMI $9.00
by Amien Nugroho $26.00
by Li Hongzhi $13.00
by S. Mara Gd $7.00