(3WehMGJ GdSda GdhGLHI Ydi GdNda (B/s - (3GdfYeGfj, CMeO Hf fGUQs ((3LOI, GdSYhOjI (B:s (3CMeO Hf fGUQ GdfYeGfj,s, 2000)
Keywords: (3Gdfgj Yf GdefcQs; (3GdCNdGb GdESdGejIs; (3GdOYhI GdESdGejIs