by Prof. Moeljatno, S.H $9.00
by Prof. Abdulkadir Muhammad, S.H. $6.00
by Leden Marpaung, S.H. $9.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by Dr. Sri Redjeki Hartono, S. H. $12.00
by Marihot P. Siahaan, S.E. $12.00