by Drs. D. Hendropuspito, O. C. $7.00
by B.B. Triatmoko, SJ $4.00
by Fauziah Muhlisah $6.00
by Ir. H. Rahmat Rukmana $5.00
by Komlit KWI $3.00
by Marilyn Gustin $6.00
by $7.00
by Prof. Dr. Suharsimi Arikunto $18.00
by $6.00
by Sisca Susanto & Helena Hasan $7.00
by $11.00
by Suhario Padmodiwirio $6.00