Subhan, Salahudin, Mariamah, Muhammad. Preliminary Needs Assessment for the Development of an Effective Drill-Based Deep Learning Textbook for University Students. WA [Internet]. 2025 Oct. 30 [cited 2026 Jun. 12];16(2):236-44. Available from: https://ejournal.undwi.ac.id/widyaaccarya/article/view/1737