by Dr. Ir. Adji Sastrosupadi, MS $11.00
by Andree Feilard $11.00
by Ir. M. Lies Suprapti $6.00
by Qadi 'Iyad Ibn Musa $7.00
by Moh. Wahyudi (pent.) $6.00
by Dr. Paul Suparno, SJ. $6.00