by Paul de Blot, SJ $0.00
by Peter C. Phan $6.00
by Sudradjat, S.E $6.00
by Ir. H. Nazarukhan Yasin $13.00
by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $7.00
by Drs. Yustinus Semiun, OFM $20.00