JOY, Ernest H.; GARCIA, Federico E. Measuring Learning Effectiveness: A New Look at No-Significant-Difference Findings. Online Learning, Boston, MA, v. 4, n. 1, 2019. DOI: 10.24059/olj.v4i1.1909. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1909. Acesso em: 25 mar. 2026.