Pembelajaran Project Citizen dalam Mengembangkan Keterampilan Abad 21. JOCER: Journal of Civic Education Research, [S. l.], v. 2, n. 2, p. 74–82, 2024. DOI: 10.60153/jocer.v2i2.101. Disponível em: https://journal.tirtapustaka.com/index.php/jocer/article/view/101. Acesso em: 14 feb. 2025.