(3TQM bGfhf GdGLQGAGJ GdLfGFjI(B.s (3GdLRA GdKGfj,s (3JfXje GdbVGA GdLfGFj hENJUGUg, GdJMbjb GdfgGFj, ETcGdGJ GdJfajP, HWdGf GdGLQGAGJ, WQb GdWYf aj GdCMcGe (B/s - (3eMeO YjO GdZQjHs ((3GdbGgQI (B:s {(3Ohf OGQ fTQ(B}(3,s, 1997)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs; (3GdbGfhf GdLfGFjs