Montero Rojas E, Moreira Mora TE. DIF in Spanish and Mathematics from Costa Rica’s national tests in reported students with ADHD. Act. Inv. en Educ. [Internet]. 1 de mayo de 2017 [citado 29 de abril de 2024];17(2). Disponible en: https://www.revistas.ucr.ac.cr/index.php/aie/article/view/28661