Khalek Ibrahim, Wesam Mohamed Abdel-. “The Fictional-Real Interface in Harry Potter Series: A Possible-Worlds Theory Approach”.
AJELP: Asian Journal of English Language and Pedagogy, vol. 2, Dec. 2014, pp. 133-45,
https://ejournal.upsi.edu.my/index.php/AJELP/article/view/1178.