Gonzalez, Edith L.2015-07-292015-07-2919511951b14671530https://hdl.handle.net/2144/11676Thesis (M.A.)--Boston University 2 disk recordings. In Audio-Visual Library.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsPractice materials for improving the conversational English of Spanish-speaking high school pupils in Puerto RicoThesis/Dissertation