ZUHRIYAH, R. A.; MAHARDHANI, A. J.; CAHYONO, H. Managing National Science Olympiad Coaching: A Case Study of Internal–External Collaboration at SMA Negeri 2 Ponorogo. Jurnal Pendidikan Terapan, [S. l.], v. 4, n. 4, p. 624–633, 2026. DOI: 10.61255/jupiter.v4i4.1975. Disponível em: https://journal.diginus.id/JUPITER/article/view/1975. Acesso em: 6 oct. 2026.