(3GYdGe GdacQ hGdGOH (B/ s - (3LhQL eOHcs ((3HjQhJ (B: s (3OGQ GdQGJH GdLGeYjI , s, 1992)
Keywords: (3GdeQGSdGJs; (3GdGOHGAs; (3GdGOHGA (B- (3JQGLes