(3eTGcd GdGbHGW ai eUQ hMdhdgG (B/ s - (3fHjd dhbG HHGhis ((3GdbGgQI (B: s (3eWGHY GdGgQGe GdJLGQjI , s, 2001)
Keywords: (3GdGbHGWs; (3GdeSjMjhf ai eUQs; (3GdeSjMjI (B- (3eUQs; (3eUQ (B- (3GdGMhGd GdGLJeGYjIs