by Syekh Faisal Maulani $5.00
by Gerald O\'Collins, SJ $7.00
by Ir. Bambang Cahyono $5.00
by Ir. Abbas Siregar Djarijah $5.00
by $4.00
by Ir. Hieronymus Budi Santoso $5.00
by Prof. M. Nasroen $7.00
by Nursalam $7.00