(3YbjOI Cgd GdSfI hGdLeGYI aj GdUMGHI GdcQGe QVj Gddg Yfge (B/s - (3GdTjN, fGUQ Hf Ydj YGFV MSfs ((3GdQjGV (B- (3GdSYhOjI (B:s (3ecJHI GdQTO ,s, 2000)
Keywords: (3Yde GdcdGes -- (3GdUMGHI hGdJGHYhfs; (3Cgd GdSfI hGdLeGYIs -- (3GdUMGHI hGdJGHYhfs; (3YbjOIs -- (3GdUMGHI hGdJGHYhfs