(3OjhGf GeQiA GdbjS (B/ s - (3eMeO GHhGdaVd GHQGgjes ([S.N] : (3OGQ GdeYGQa , s, 1990)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdLGgdis; (3OhGhjf hbUGFOs