by Leden Marpaung, S.H. $7.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by Ahmad Fauzan, S.H., LL.M. $6.00
by Leden Marpaung, S.H. $11.00
by J. C. T. Simorangkir, S. H., dkk. $9.00
by H. Salim HS. S.H., M.S. $16.00