(3GdJQHjI heTcdI GdGeheI hGdWahdI(B: (3QDjI YUQjI dHYV eTcdGJ GdeLJeY hYdGbJgG HGdJQHjI (B/ s - (3aDGO HSjhfis ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1990)
Keywords: (3GdGWaGds; (3JYdje GdGWaGds; (3GdGeheIs; (3GdQYGjIs