Nurmawati F, Sukarno, Yulisetiani S. Thematic learning system as the most effective method to activate students: A systematic literature review: . PEGEGOG [Internet]. 2022 Nov. 16 [cited 2023 Dec. 6];13(1):275-82. Available from: https://pegegog.net/index.php/pegegog/article/view/2076