Marthasari, Livia Medi, and Machful Indra Kurniawan. “Implementation of Discipline Character Values in Grade 4A Students at Elementary School: Implementasi Nilai Karakter Disiplin Pada Siswa Kelas 4A Di SD”. Academia Open 6 (June 30, 2022): 10.21070/acopen.6.2022.2288. Accessed September 11, 2025. https://acopen.umsida.ac.id/index.php/acopen/article/view/2288.