(3GdOdjd GdTGai Ydi Gdefgd GdUGai (B/s (3eL (B1 (3, eL (B2s - (3GHf JZQi HQOi (B: (3LeGd GdOjf GHhGdeMGSf jhSa GdHTHZGhi GdXGgQis; (3agje eMeO TdJhJs ((3GdbGgQI (B: s (3eWHYI OGQ GdcJH h GdhKGFb GdbhejI HGdbGgQI ,s, 1998)
Keywords: (3GdJQGLes; (3GdOhdI GdJQcjIs; (3GdeeGdjc GdHMQjI s; (3GdQLGd (B- (3JQGLes; (3GdeDQNhf s; (3GdNdaGAs; (3GdSdGWjfs; (3eUQs