(3GdQYGjI GdGLJeGYjI hNOeGJ GdeYhbjf (B/ s - (3GbHGd GHQGgje eNdhas ((3GdbGgQI (B: s (3OGQ GdeYQaI GdLGeYjI , s, 1991)
Keywords: (3JfXje GdeLJeYs; (3GdNOeI GdGLJeGYjIs; (3GdTFhf GdGLJeGYjIs; (3GdeYhbhfs