Ayu Widya Ningsih, Dinda Andriani, Afifa May Shara, and Kisno. “Learning Process and Exam Papers: Have They Met The Criteria of 21st Century Learning?”. Journal of English Teaching As a Foreign Language, vol. 6, no. 1, June 2020, pp. 20-28, https://ejournal.uhn.ac.id/index.php/jetafl/article/view/108.