Farisman Abdulah MT, Syahri M, Tinus A. Analysis of the Implementation of 21st Century Manners Education in Overcoming Student Moral Decadence. tijie [Internet]. 2025 Aug. 17 [cited 2026 Nov. 5];6(3):829-43. Available from: https://www.pasca.jurnalikhac.ac.id/index.php/tijie/article/view/2030