Thomas, Kathryn, 1948-. Who Leaves and Why: an Examination of Latino Student Attrition from a Selective Public School Thematic Choice Program in San Antonio, Texas, dissertation, December 1996; (https://digital.library.unt.edu/ark:/67531/metadc278796/m1/1/: accessed April 24, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .