Mehl, Deborah2014-10-082014-10-081989-12Mehl, D. (1989, December). [Review of Useful English: A comprehensive textbook for Standards 9 and 10 by S.G.M. Ridge and others]. Lengwitch: The Journal for Language Across the Curriculum, pp. 21-22.http://hdl.handle.net/10539/15648enArticle