by Drs. M. Dalyono $9.00
by Prof. J. Suprapto, M.A., APU $12.00
by Imam Tholkhah $9.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Prof. DR. Abu Su'ud $12.00
by Dr. R. Hutapea, SKM, Ph.D $7.00