SYAFI'I, Mohamad; FATMAWATI; AHMADIN; CHUKWU, Chidozie. Optimal control of HIV transmission model with pre-ART counselling and treatment. Jambura Journal of Biomathematics (JJBM), Gorontalo, Indonesia, v. 7, n. 1, p. 136–151, 2026. DOI: 10.37905/jjbm.v7i1.17. Disponível em: https://jjbm.fmipa.ung.ac.id/index.php/ejournal/article/view/17. Acesso em: 20 apr. 2026.