by Dra. Ninik Widiyanti $12.00
by Prof. DR. Sukardjo $13.00
by Edited by Hadi Soesastro $7.00
by Prof. Drs. H. A. W. Widjaja $6.00
by Drs. H. Abdul Fatah $7.00
by Fachruddin H.S $18.00