(3cJGH fYLI GdQGFO h TQYI GdhGQO aj GdeJQGOa h GdeJhGQO (B/ s - (3GdjGRLj, EHQGgjes ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1970)
Keywords: (3GddZI GdYQHjIs; (3GdeJQGOaGJs