(3GdOahY aj bGfhf GdeQGaYGJ (B/ s - (3TgGH, NGdOs ((3GdLjRI(B: s (3eWHYI GdYeQGfjI ddChaSJ(B. s, 1998)
Keywords: (3GdbGfhf GdeOfj(B. s; (3GdELQGAGJ GdeOfjI(B. s; (3GdeQGaYI(B. s; (3dhGFM GdeMceIs