(3KdGKjI GdGfJaGVI (B: 1- (3QMdI GdLPhQ(B. 2- (3QGFMI GdfGQ(B. 2- (3CHGHjd(B.s - (3GdNWjH(B. (3CfhQs ((3eDSSI GdGTQa ddWHGYI hGdfTQs (3HjQhJs, 1989)
Keywords: (3GOH YQHj (B- (3QhGjGJ s; (3QhGjGJ s; (3GdGfJaGVI (B- (3QhGjGJ s