Analysis of the Implementation of the Character Dimension of Mutual Cooperation in the Theme of Sustainable Lifestyle among Students of MI Muhammadiyah 09 Karangwungulor: Implementation of the Character of Mutual Cooperation. tematik [Internet]. 2026 Feb. 28 [cited 2026 Apr. 22];15(1):1-6. Available from: https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/68268