(3GdYgO GdLOjO(B: (3Gdi GaSS (B/ s - (3LhRja UGHQs; (3GfSi YHOGdedcs; (3ahdcSi, aQfSjSs ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1991)
Keywords: (3GdYgO GdLOjOs; (3GdGfLjds; (3GdQSGFds