Sumarhadi, Anas, and Supahar Supahar. “Development of a Science E-Module Based on Problem Based Learning Using Moodle to Improve Students’ Science Literacy and Critical Thinking Abilities”. Journal of World Science 4, no. 8 (August 15, 2025): 1083–1094. Accessed August 30, 2026. https://jws.rivierapublishing.id/index.php/jws/article/view/1481.