by J. Donald Walters $3.00
by F. Budi Hardiman $9.00
by Haryoto $5.00
by Augustinus $7.00
by Ir. Hieronymus Budi Santoso $5.00
by $13.00
by Sudaryatmo, S.H. $6.00
by Al. Wisnubroto & G. Widiartana $5.00
by Darmaningtyas $9.00