(3GdLQjeI hGdeLJeY (B- (3eMGVQGJ ai GdGLJeGY GdLfGFi hGdOaGY GdGLJeGYi (B/ s - (3QeRjI GdZQjHs ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1990)
Keywords: (3GdHjFIs; (3GdQeRs; (3GdJYdjes; (3GdhQGKIs; (3Yde GdfaSs; (3GddZI GdYQHjIs; (3fXQjGJs; (3Yde GdfaS GdJQHhis; (3GdJYdes; (3GdSdhcs