Engle, Lilli, and John Engle. “Assessing Language Acquisition and Intercultural Sensitivity Development in Relation to Study Abroad Program Design”. Frontiers: The Interdisciplinary Journal of Study Abroad 10, no. 1 (August 15, 2004): 219–236. Accessed May 5, 2024. https://frontiersjournal.org/index.php/Frontiers/article/view/142.