“The Training of Physics Olympiad for Students at SMA IT Al-Auliya Balikpapan”. Khidmatuna: Journal of Research and Community Service 2, no. 2 (November 22, 2023): 1–6. Accessed February 2, 2026. https://jurnal.institutsunandoe.ac.id/index.php/khidmatuna/article/view/382.