by Dr. Said Kelana & Dr. Chandra W $12.00
by Drs. B. Suryosubroto $6.00
by Radiks Purba $13.00
by Prof. I. R. Poedjawiyatna $7.00
by Rogel Tol $7.00
by Prof. DR. Ismail Sunny, S.H. MCL $6.00
by - $9.00