Hornberger, Nancy H2023-05-222023-05-222009-01-012015-10-09https://repository.upenn.edu/handle/20.500.14332/35145Language and LiteracyPolicy and Administrationmultilingual educationBilingual, Multilingual, and Multicultural EducationEducationEducation PolicyLa Educación Multilingüe, Política y Práctica: Diez CertezasArticle