(3GdcJGH GdYQHj (B: s (3eYGdLGJ OQGSjI dbVGjG eWQhMI (B/ s - (3GdgGTej, HTjQs ((3OeTb (B:s (3EJMGO GdfGTQjf GdYQH,s, 1986)
Keywords: (3GdcJHs; (3GdcJGHIs; (3Yde GdcJGHs; (3GdfbO GdCOHjs; (3GdeYGdLI GdfbOjIs; (3GdHdOGf GdYQHjIs