SRITULANON, A. The 21st Learning Framework, CLT and Flipped Classroom Model. Thammasat Review, [S. l.], v. 16, n. 3, p. 126–132, 2015. Disponível em: https://sc01.tci-thaijo.org/index.php/tureview/article/view/40737. Acesso em: 18 may. 2024.