(3GdadSaI GdjhfGjfI (B: (3ebOeGJ hePGgH (B/ s - (3eMeO HjUGQs ([S.N] : (3OGQ GdcJGH GddHfGfi , s, 1973)
Keywords: (3GdadSaI GdjhfGfjIs; (3GdadSaI GdGZQjbjIs