Silalahi, Elfrida BR., Bertha Resivia Gayatri, and Emmanuel Kyei. “The Use of BDA Strategy in Extensive Reading Improves students’ Learning Achievement”. Research and Development in Education (RaDEn) 5, no. 1 (June 22, 2025): 619–631. Accessed June 4, 2026. https://ejournal.umm.ac.id/index.php/raden/article/view/40432.