(3Gdfeh GdfaSj ddWad h Yde GdfaS GdPj jNUfG (B/ s - (3eRQhY, WGgQs ((3GdbGgQI (B:s (3ecJHI GdfgVI GdeUQjI,s, 1982)
Keywords: (3GdCWaGds; (3Yde GdfaSs