(3JNWjW HQGeL JQHjI GdWad h JWhjQgG (B/ s - (3GdTfWj, QGTO eMeOs; (3CHh SfjfI, YhOI YHO GdLhGOs ((3YeGf (B:s (3ecJHI GdeMJSH,s, 1990)
Keywords: (3QjGV GdCWaGds; (3GdOQGSGJs