by Yeni Ismayani $7.00
by Editor: Bantarto Bandoro $11.00
by Ir. Surya Suhatmansyah dan Drs. Djalinus Syah $11.00
by $18.00
by Moses H. Beding, CSsR $6.00
by F. RENE VAN DE CARR, M.D. $22.00