by Prof. Dr. Soerjono Soekanto, S.H., M.A. & Prof. Purnadi Purbacaraka, S.H. $3.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by $5.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by - $5.00
by Bambang Waluyo, S.H. $9.00