VARIATIONS IN FRACTAL CHARACTERISTICS OF A SOLAR PROTON EVENT. Journal of open systems evolution problems, [S. l.], v. 26, n. 2, p. 11–17, 2024. DOI: 10.26577/JPEOS.2024.v26-i2-a2. Disponível em: https://peos.kaznu.kz/index.php/peos/article/view/341. Acesso em: 5 jul. 2026.