(3OQGSI dZhjI ai GQGLjR(B: (3QDjI hGdYLGL (B/ s - (3NhdI Jbi GdOjf GdgdGdis ((3GdYQGb (B: s (3OGQ GdQTjO ddfTQ ,s, 1982)
2 (3eLdOs
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdfMhs; (3GddZI GdYQHjIs; (3GdeYGLes; (3JGQjN hfbOs