Darling-Hammond L, Holtzman DJ, Gatlin SJ, Vasquez Heilig J. Does teacher preparation matter? Evidence about teacher certification, Teach for America, and teacher effectiveness. EPAA [Internet]. 2005 Oct. 12 [cited 2025 Feb. 22];13:42. Available from: https://epaa.asu.edu/index.php/epaa/article/view/147