(3GdJYdje GdLGeYj aj GdCQOf Hjf GdhGbY hGdWehM (B/ s - (3fOhI GdJYdje GdLGeYj aj GdCQOf Hjf GdhGbY h GdWehM (B: s (3YeGf (B: s 9-8 (3ef TgQ JTQjf GdKGfj(B/ (3fhaeHQ dYGe (B2000s ((3YeGf (B: s (3OGQ GdaGQS, s, 2001)
Keywords: (3GdJYdje GdYGdj(B. s; (3GdJWhjQ(B. s; (3GdCQOf(B. s