Triyanto J, Sukarno S, Kurniawan SB. Thematic Learning Based on Critical Thinking Skills using Blended Learning System in Elementary School. International j.of Elementary Education [Internet]. 2022 Apr. 18 [cited 2024 Jun. 30];6(2):305-14. Available from: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/45954