Instilling the Value of Mutual Cooperation in Civics Education through Regular Collective Waste Disposal Activities as a Strategy for Environmental Damage Prevention among Elementary School Students. IJBER [Internet]. 2026 Feb. 26 [cited 2026 Mar. 1];3(1):27-32. Available from: https://ejournal.uin-suka.ac.id/tarbiyah/Ijber/article/view/13014