(3JGQjN GdGSdGe hhajGJ GdeTGgjQ hGdGYdGe (B:s (3YgO GdNdaGA GdQGTOjf MhGOK hhajGJ (B/s - (3GdPgHi , TeS GdOjf eMeO Hf GMeO Hf YKeGf s; (3YeQ YHOGdSdGe JOeQi s ((3HjQhJ (B: s (3OGQ GdcJGH GdYQHi , s, 1987)
Keywords: (3GdSjQI GdfHhjIs; (3GdJGQjN GdGSdGeis; (3GdJQGLes; (3GdMVGQI GdGSdGejIs; (3GdNdaGA GdQGTOhfs