(3GdGYdGe hGdWad GdYQHj (B/ s - (3YHO GdMejO, UdGM eMeO, s ((3GdbGgQI (B[(3eUQ(B] : s (3eDSSI WjHI ddfTQ hGdJhRjY, s, 2012)
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Keywords: (3hSGFd GdGYdGe hGdGWaGd(B.s; (3GdJdjaRjhf hGdGWaGd(B.s; (3JQHjI GdGWaGd(B.s; (3KbGaI GdGWaGd(B.s; (3hSGFd GdGYdGes -- (3LhGfH GLJeGYjI(B.s