(3GdehGO ZjQ GdeWHhYI aj GdecJHGJ GdTGedI (B/ s ((3GdbGgQI (B: s (3GdOGQ GdeUQjI GddHfGfjI , s, 1973)
Keywords: (3GdehGO ZjQ GdeWHhYI, GdecJHGJ GdTGedIs