(3GdhSjW aj GdbGfhf GdYGe (B:s (3GdbVGA GdEOGQj (B/s - (3eMeO CfS bGSe LYaQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1987)
(3eHOC GdeTQhYjI (B- (3eLdS GdOhdI (B- (3OYhi GdEdZGAs
. 455-450 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdbVGA GdEOGQj hhXGFags; (3GdbGfhf GdEOGQjs