by Ibnul Qayyim al-Jauziyah $6.00
by Mariasusai Dhavamony $11.00
by Sjadzali, H. Munawir $5.00
by F. Budi Hardiman $9.00
by Ir. Sukim Prayitno $5.00
by Ir. M. Lies Suprapti $6.00