(3GdbGfhf GdLfGFj GdOhdj (B:s / (3fMh JfXje LfGFj YGdej (B( (3OGQSI aj Gdeaghe (B- (3GdGNJUGU (B- (3GdLQjeI (B- (3GdYbhHI hGdbVGA (B)s - (3YHO GdQMje UObjs ((3GdbGgQI (B:s (3ecJHI GdfgVI GdeUQjI (B,s, 2000)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFj GdOhdjs; (3GdbGfhf GdLfGFjs