(3UfGYI JGQjN eUQ GdMOjK(B: (3OQGSI ai acQ YHO GdQMef GdQGaYi (B/ s - (3MeGOI eMehO GMeO GSeGYjds ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3YHOGdQMef GdQGaYis