Zuhriyah, R. A., Mahardhani, A. J. and Cahyono, H. (2026) “Managing National Science Olympiad Coaching: A Case Study of Internal–External Collaboration at SMA Negeri 2 Ponorogo”, Jurnal Pendidikan Terapan, 4(4), pp. 624–633. doi: 10.61255/jupiter.v4i4.1975.