Using the Flipped Classroom Strategy to Enhance the Precalculus Skills of Tenth Grade Students in the Guanacaste Scientific College MATEM-UCR Project. Rev. Electr. Educare [Internet]. 2023 Dec. 16 [cited 2024 Dec. 18];27(3):1-18. Available from: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/17261