by Dr. R. Hutapea, SKM, Ph.D $7.00
by Fachruddin H.S $18.00
by Drs. Thohir Luth, M.A., dkk $6.00
by Prof. Dr. Sudarwan Danim $9.00
by Sution Usman Adji, S.H., dkk $13.00
by Bahrie, A. Ma. Pd $7.00