Arsih, Fitri, Ravy Ferdian, and Muhyiatul Fadilah. “The Effectiveness of Digital-Based COVID-19 Prevention Supplement Books to Empower High School Students’ Scientific Literacy and Critical Thinking Skills”. Jurnal Penelitian Pendidikan IPA 9, no. 4 (April 30, 2023): 2244–2251. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3474.