SILFIYAH, A.; HARRIS , T. .; WAHYUDI , M. F. . Integrasi Nilai-Nilai Karakter Abad 21 (4c: Critical Thinking, Creativity, Communication, Collaboration) Melalui Metode Deep Learning Dalam Pembelajaran Pendidikan Kewarganegaraan di SMK. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 9, p. 5389–5395, 2025. DOI: 10.61445/tofedu.v4i9.1408. Disponível em: https://journal.tofedu.or.id/index.php/journal/article/view/1408. Acesso em: 21 mar. 2026.