by Rachmadisman, S.H. $6.00
by Prof. Dr. Mariam Darus Badrulzaman, S.H. $8.00
by Eddy Djunaedi Karnasudirdja $11.00
by - $6.00
by Marihot P. Siahaan, S.E. $12.00
by Prof. Mr. Dr. Sudargo Gautama $6.00