(3EHfI TYjH TGgO YOd aj bVjI JMQjQ GdeQCI GdeYGUQI (B/ s - (3CHh UajI GdMGQKj, YHO GdhgGH QTjOs ((3YeGf (B:s (3OGQ YeGQ,s, 1992)
Keywords: (3GdeQCI aj GdESdGes; (3GdESdGe h GdeQCIs