(3TYQ jghO aj GdLGgdjI h UOQ GdESdGe (B/ s - (3ebOGO, YHO Gddgs ((3YeGf (B:s (3OGQ YeGQ ddfTQ,s, 1997)
Keywords: (3GdTYQ GdYQHjs; (3GdYUQ GdLGgdjs; (3GdYUQ Gdecj dMjGI GdfHjs; (3GdYUQ GdeOfj dMjGI GdfHjs; (3GdfbO GdCOHj GdjghOs