(3GdSdhc GdGfSGfj (B:s (3ebOeI aj eTcdGJ Yde GdCNdGb (B/s - (3Lhf, ghSjQSs; (3Ydj YHO GdeYWj eMeOs ((3GdGScfOQjI (B:s (3OGQ GdeYQaI GdLGeYjI ,s, 1984)
Keywords: (3Yde GdCNdGbs; (3GdSdhc GdGfSGfj s