Saadillah, Pangestu MA, Fajrianor. Reading Materials for Individual Learning: Sources and Challenges Saadillah, Muhamad Aji Pangestu, Fajrianor. EJ [Internet]. 2023May26 [cited 2026Oct.6];5(2):433-40. Available from: https://elitejournal.org/index.php/ELITE/article/view/154