Erny Muliyani, Sri. “Hubungan Prestasi Belajar Dengan Ekstrakuler Siswa”. Journal Transformation of Mandalika, e-ISSN: 2745-5882, p-ISSN: 2962-2956 5, no. 1 (January 6, 2024): 22-25. Accessed November 8, 2025. https://ojs.cahayamandalika.com/index.php/jtm/article/view/2561.