(3GdOdjd GdhbGFj ddJYGed eY GdehGO GdcjejGFjI GdNWQI (B/ s - (3GdNjGW, jGSjf egjHs; (3HMhK, ejShf SGejs ((3YeGf (B:s (3GdLeYjI GdYdejI GdedcjI (B: (3eOjQjI GdOaGY GdeOfj,s, 1987)
Keywords: (3GdhbGjI ef GdehGO GdcjeGhjIs; (3GdMhGOKs; (3GdCOdIs; (3GdeJaLQGJs