(3eHGOF JUeje h HfGA CfXeI GdJMce GdeHQeL CLgRI GdJMce GdbGHdI ddHQeLI (B- / s - (3gdGdI, YHOg TMGOIs ((3YeGf (B:s (3OGQ GdQVG,s, 1999)
Keywords: (3GdHQeLgs; (3GdMhGSjHs