1. K. A. Santoso, “Pendidikan untuk menyambut masyarakat 5.0,” www.alinea.id, 2019. https://www.alinea.id/kolom/pendidikan-untuk-menyambut-masyarakat-5-0-b1XcI9ijL (accessed Mar. 11, 2019).
2. M. M. Tapung, “Keharusan Berpikir Kritis bagi Mahasiswa,” kupang.tribunnews.com, Kupang, 2016.
3. Z. B. Moghadam, M. H. Narafshan, and M. Tajadini, “Development of a critical self in the language reading classroom: An examination of learners’ L2 self,” Think Skills Creat, vol. 42, pp. 1–11, 2021.
4. N. Husna, “Developing Students’ Critical Thinking Through an Integrated Extensive Reading Program,” TEFLIN Journal, vol. 30, no. 2, pp. 212–230, 2019.
5. A. A. Eftekhary and K. B. Kalayeh, “The Relationship between Critical Thinking and Extensive Reading on Iranian Intermediate EFL Learners,” Journal of Novel Applied Sciences, vol. 3, no. 6, pp. 623–628, 2014.