by Prof. Mr. Dr. Sudargo Gautama $6.00
by Prof. Dr. Moh. Mahfud MD, S.H., S.U. $9.00
by Andi Hamzah $12.00
by Brownlie, Ian $11.00
by Kamaruddin Ahmad., S.E $9.00
by Dr. Moh. Shochib $9.00