Pesantez García FM, Cisneros Basurto WE, Chapaca Tituaña XM, Maldonado Beltrán AH. Impact of COVID-19 on mathematical learning in 9- to 11-year-olds. Health Leadership and Quality of Life [Internet]. 2024 Dec. 30 [cited 2025 Mar. 14];3:.364. Available from: https://hl.ageditor.ar/index.php/hl/article/view/364