by Ir. Moehar Daniel, M.S $7.00
by Diane Richardson $7.00
by A.H. Polard, dkk $11.00
by Cyrillus Harinowo $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Agustinus Edy Kristianto (ed), A. Patra M. Zen (ed.) $23.00