BAKAR, Ryan Abu; FITRI, Mustika; HIDAYAT, Yusuf; MA'MUN, Amung; LARDIKA, Rola Angga. The effectiveness of outdoor education on positive youth development and 21st century skills. Journal Sport Area, [S. l.], v. 9, n. 3, p. 440–450, 2024. DOI: 10.25299/sportarea.2024.vol9(3).16758. Disponível em: https://journal.uir.ac.id/index.php/JSP/article/view/16758. Acesso em: 23 jul. 2026.