1. Academy for Educational Development. (2009). The invisible children of migrant and seasonal farmworkers in the United States: An examination of existing pre-k partnerships. http://files.eric.ed.gov/fulltext/ED519206.pdf.
2. Administration for Children and Families. (2013). Report to congress on dual language learners in Head Start and Early Head Start programs. https://www.acf.hhs.gov/sites/default/files/documents/opre/report_to_congress.pdf.
3. Does more exposure to the language of instruction lead to higher academic achievement? A cross-national examination;Agirdag;International Journal of Bilingualism,2018
4. Factor analysis and AIC;Akaike;Psychometrika,1987
5. Only English by the third generation? Loss and preservation of the mother tongue among the grandchildren of contemporary immigrants;Alba;Demography,2002