(3bGFeI QDS GdehVhYGJ GdbjGSjI ddecJHGJ GdeOQSjI (B/ s - (3TYHGf YHOGdYRjR NdjaIs; (3eMeO YhV GdYGjOis ([S.N] : (3GdecJHI GdGcGOjejI , s, 1993)
Keywords: (3QhDS GdehVhYGJs; (3GdagQSI GdehVhYjIs; (3JUfja GdcJHs