ISLAMOVA M. GRAPHICAL ANALYSIS FOR SOME TwO DIMENSIONAL DYNAMICAL SYSTEMS. Journal of Higher Education and Academic Advancement, [S. l.], v. 1, n. 6, p. 40–44, 2024. DOI: 10.61796/ejheaa.v1i6.590. Disponível em: https://journal.antispublisher.id/index.php/EJHEAA/article/view/590. Acesso em: 12 oct. 2025.