by Anselm Grun, OSB. $3.00
by C.J. Bohm, MSC. $4.00
by Drs. Amin Wijaja Tunggal, M.B.A $6.00
by Ny. H. Sri Maryati $7.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Henry Simamora, S.E $18.00