(3GdeUWdM GdGYLei ai cJGH GdWH hGdUjOdI GdYQHjI (B: s (3HMK fehPLi ai GUhdg hefRdJg hehGba GdYdeGA efg (B/ s - (3GHQGgje Hf eQGOs ((3HjQhJ (B: s (3OGQ GdZQH GdGSdGei , s, 1985)
Keywords: (3GdWHs; (3GdUjOdIs; (3GdWH (B- (3eYGLes; (3GdWH hYde GdfaSs