by M. Yahya Harahap, S. H. $13.00
by Drs. Rudy T. Erwin, S.H $7.00
by Prof. Mr. Dr. Sudargo Gautama $7.00
by - $6.00
by Victor Situmorang, S.H $7.00
by $13.00
by Bambang Waluyo, S.H. $7.00