KONG, Jingyu. English Education based on Piaget’s Cognitive Development Theory. Global Academic Frontiers, Portland, Maine, v. 1, n. 1, p. 32–38, 2023. DOI: 10.5281/zenodo.11079561. Disponível em: https://gafj.org/journal/article/view/1.. Acesso em: 16 sep. 2024.