by Prof. Dr. Sudarwan Danim $11.00
by Agustinus Edy Kristianto (ed), A. Patra M. Zen (ed.) $23.00
by F. Suryatmo $6.00
by Jo Condrill & Bennie B., Ph.D $7.00
by Mark Victor Hansen & Robert G. Allen $18.00
by Bambang Sugeng $11.00