(3GdcJGH GdaQjO aj EYQGH GdbQBf GdeLjO (B/s (3EYQGH , eYGf , bQGAGJ (B.s - (3GdgePGfj, Hf CHj GdYR Hf QTjO s (3J(B. 643 (3g`(B.s; (3GdaJjM, eMeO fXGe GdOjfs ((3GdeOjfI GdefhQI (B:s (3ecJHI OGQ GdReGf ddfTQ hGdJhRjY,s, 2006)
Keywords: (3GdbQBfs -- (3EYQGHs