(3ePGgH GdGfKQhHhdhLjG hYHbQjI GHf NdOhf (B/ s - (3aDGO GSMb GdNhQis ([S.N] : (3OGQ GdSGbi , s, 1992)
Keywords: (3GdGLJeGYs; (3GHf NdOhfs; (3GdGfKQHhdhLjGs; (3ePGgHs