by Drs. Daryanto $11.00
by Dr. Hamzah B. Uno, M.Pd $9.00
by Drs. Tgk. H.Z.A. Syihab $6.00
by Made Astawan & Andreas Leomitro Kasih $12.00
by K. Usman & L.K. Ara $5.00
by Walter L. Wallace $7.00