by Drs. A. Munir $9.00
by Drs. Ahmad Rohani., H.M., M.Pd $6.00
by Drs. A.W. Widjaja $6.00
by James T. Siegel $7.00
by Mustafa Abubakar $7.00
by Drs. Domi C. Matutina $12.00