Limit Cycles of the Three-dimensional Quadratic Differential System via Hopf Bifurcation. Baghdad Science Journal, Iraq, Baghdad, v. 21, n. 9, p. 2970, 2024. DOI: 10.21123/bsj.2024.9306. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/9306.. Acesso em: 21 dec. 2024.