(3GdCNWGQ hGdchGQK GdWHjYjI (B: s (3GdMOK hGdehGLgI (B: (3eYGdLI LZQGajI (B/ s - (3eMShH , eMeO UHQj s; (3CQHGH, eMeO EHQGgje s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj, s, 2000)
(3HHdjhLQGajI (B: (3U(B. 223-228.s
Keywords: (3GdchGQK GdWHjYjI s; (3GdYhGUa s; (3GdRdGRd s; (3GdHQGcjf s