by C. Hanny Indraswari, SE $6.00
by M. Nasib ar-Rifa'i $28.00
by Ir. Hieronymus Budi Santoso $5.00
by Dr. P. Hardono Hadi $7.00
by Ir. M. Lies Suprapti $5.00
by Imam Ghazali $5.00