(3JQhjV GdfeQ GdhQbj (B: (3JfXje GdChQGb aj MjGJc (B/ s - (3geajd, HGQHGQGs; (3GdHOGM, EHQGgje Ydjs ((3YeGf (B:s (3eYgO GdEOGQI GdYGeI,s, 1992)
Keywords: (3GdSLdGJs; (3GdhKGFbs; (3GdEOGQIs