MILLER, Melinda G.; HAHS-VAUGHN, Debbie L.; ZYGOURIS-COE, Vicky. A Confirmatory Factor Analysis of Teaching Presence Within Online Professional Development. Online Learning, Boston, MA, v. 18, n. 1, 2014. DOI: 10.24059/olj.v18i1.333. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/333. Acesso em: 25 mar. 2026.