Anggraeni R, Mahardika I. The Effectiveness of e-LKPD Sience Based on Project Based Learning in Improving Critical Thinking Skills of Junior High School Students. ijeit [Internet]. 31Jan.2026 [cited 3Jun.2026];9(1):90-9. Available from: https://jurnal.peneliti.net/index.php/IJEIT/article/view/13601