by Drs. Zainal Abidin $9.00
by Drs. Al. Soenarto S.W., dkk $4.00
by A. M. Mangunhardjana, SJ. $3.00
by Drs. Aloysius Soenarto & Stanislaus Suliangto $3.00
by Drs. Agus M. Hardjana, M.Sc., Ed $3.00
by - $7.00