Katuuk, Ariel, Harol R. Lumapow, and Romi Mongdong. “Extracurricular Sports Achievements of Students at SMAN 1 Manganitu Selatan, Sangihe Islands Regency”. International Journal of Information Technology and Education 4, no. 2 (March 10, 2025): 118–123. Accessed August 4, 2025. https://www.ijite.jredu.id/index.php/ijite/article/view/252.