by Mitra Agro Melodi $9.00
by PWI Liturgi $6.00
by H. J. Kachmadi Karm $3.00
by Ir. M. Lies Suprapti $6.00
by J. Darminta, SJ $3.00
by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $5.00