Zaini, M. A. “Religious Aspects in The Movie of Ketika Cinta Bertasbih by Habiburrahman El Shirazy: Semiotics Overview”. LANGGAR: Journal of Social, Humanities, and Islamic Study, vol. 1, no. 1, June 2022, pp. 70-79, https://langgar.amiin.or.id/index.php/langgar/article/view/8.