(3ehLR aj GdYbhHGJ heXGgQ JaQjO GdYbGH (B/ s - (3Ydj CMeO QGTOs ((3GdbGgQI (B: s (3eWHYI dLfI GdJCdja hGdJQLeI hGdfTQ,s, 1949)
(3GdfU HGddZI GdYQHjIs
Keywords: (3JaQjO GdYbGHs