(3GdJWHjbGJ GdELQGFjI dEYOGO GdOYhi GdLfGFjI (B/s - (3GdSHjYj, SdWGf Hf eGLOs; (3GdTjTGfj, YHO GdhgGH Hf YHO GdYRjRs (1989)
(3HHdjhLQGajI (B: (3UaMI (B161-169.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdOYhi GdLfGFjIs; (3bGfhf GdELQGAGJ GdLfGFjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s