Erickson, Matthew J., Karen H. Larwin, and Robert S. Isherwood. “Examining A Decade Of Reading And Mathematics Student Achievement Among Primary And Secondary Traditional Public School And Charter School Students: A Meta-Analytic Investigation”. Journal of College Teaching & Learning (TLC) 10, no. 4 (September 30, 2013): 213-222. Accessed September 3, 2020. https://clutejournals.com/index.php/TLC/article/view/8118.