SUNAYAH, S.; ANGRAINI, D. .; ASTRIA, Y.; SUSANTI, Y.; JELESTARI, N. Strengthening Student Character through Philosophical Foundations: A Systematic Literature Review on Pancasila, Idealism, and Realism in Indonesian Education. PPSDP International Journal of Education, [S. l.], v. 4, n. 2, p. 1594–1607, 2025. DOI: 10.59175/pijed.v4i2.677. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/677. Acesso em: 12 aug. 2026.