(3eQLY GdYdhe GdGcJhGQjI (B: (3GdLRA GdKGdK GdQjGVI GdGcJhGQjI (B/ s - (3fGTO eMehO YHO GdSdGe TMGJIs ([S.N] : (3OGQ GdfgVI GdYQHjI , s, 1991)
Keywords: (3GdJCejfs; (3GdGMUGFjGJ GdMjhjIs; (3GdGMUGFjGJs