Sapolis, Lisa G., Milla C. Riggio, and Xiangming Chen. “When the City Is Your Classroom”. Frontiers: The Interdisciplinary Journal of Study Abroad 20, no. 1 (March 15, 2011): 171–194. Accessed August 18, 2026. https://frontiersjournal.org/index.php/Frontiers/article/view/298.