TOAHA, S.; RUSTAM, I. N.; KASBAWATI, K.; SIDUPPA, M. N. .; MOHAMED SIDDIK, S. B. . Stability Analysis and Optimal Control for Spreading Typhoid Fever Model with Direct and Indirect Transmissions. Journal of Advanced Research in Applied Sciences and Engineering Technology, [S. l.], p. 73–86, 2024. DOI: 10.37934/araset.59.2.7386. Disponível em: https://semarakilmu.com.my/journals/index.php/applied_sciences_eng_tech/article/view/8207. Acesso em: 22 nov. 2024.