(3chejOjG GdOe (B: s (3eSQMjI PGJ CQHYI aUhd (B/ s - (3GdSeGhj, TGcQs ((3OeTb (B:s (3GdCgGdj,s, 1988)
Keywords: (3GdeSQMjGJ GdYQHjIs; (3adSWjfs