(3GdRQGYI GdeQhjI h CKQgG Ydi ESJfRGa GdejGg GdLhajI aj TeGd ZQH Sgd LaGQg (B/ s - (3GdLOjOi, MSf eMeOs ((3WQGHdS (B( (3djHjG (B) :s (3GdOGQ GdLeGgjQjI ddfTQ h GdJhRjY h GdEYdGf,s, 1986)
Keywords: (3GdRQGYI GdeQhjIs; (3djHjGs; (3GdRQGYIs