Arena: Opinion and Cultural Plurism Magazine; published by Stichting ISDM in Culemborg since 1990; 75 pages in length, printed on A5 paper.
Arena: Majalah Opini dan Budaya Pluralis; diterbitkan oleh Stichting ISDM (Informasi Studi Diskusi Manifestasi) di Culemborg sejak 1990; berukuran A-5, tebal sekitar 75 halaman.