Project-Based Learning as a Catalyst for Enhancing 21st-Century Skills in Secondary Education. Journal of Contemporary Pedagogy and Learning Science, [S. l.], v. 1, n. 1, p. 01–16, 2026. Disponível em: https://researchfrontiers.id/scientiacausa/article/view/43. Acesso em: 17 feb. 2026.