(3OQGSGJ aj SjchdhLjI GdeSfjf (B/ s - (3NdjaI, YHO GddWja eMeOs ((3GdbGgQI (B: s (3OGQ ZQjH ddWHGYI h GdfTQ, s, 1997)
Keywords: (3Yde GdfaS(B. s; (3SjchdhLjI GdTjNhNI(B. s; (3GdeSfhfs; (3GdYeGd GdeSfhf(B. s; (3GdJbGYO(B. s; (3YdGhGJ GdTjNhNI(B. s; (3QYGjI GdeSfjf(B. s