by Victor M. Situmorang, S.H. dan Dra. Cormetyna Sitanggang $7.00
by Dr. Drs. H. Mohammad Zain, Ak.& Drs. H. Dodo Syarief Hidayat $8.00
by - $5.00
by M. Yahya Harahap, S. H. $30.00
by - $7.00
by Prof. Mr. Dr. Sudargo Gautama $10.00