WILLIAMS, Clay. Online foreign language learning: Measuring efficacy versus traditional classroom study. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - SOCIAL SCIENCES, [S. l.], v. 12, n. 1, p. 14–22, 2022. DOI: 10.46223/HCMCOUJS.soci.en.12.1.2274.2022. Disponível em: https://journalofscience.ou.edu.vn/index.php/soci-en/article/view/2274. Acesso em: 11 apr. 2026.