BASHIR AHMAD NASIDI. Fractional Optimal Control of Ransom Kidnapping Epidemic. Journal of Fractional Calculus and Nonlinear Systems, [S. l.], v. 5, n. 2, p. 33–52, 2024. DOI: 10.48185/jfcns.v5i2.1440. Disponível em: https://sabapub.com/index.php/jfcns/article/view/1440. Acesso em: 30 apr. 2025.