SAMSIR, A. U.; TOAHA, S. .; KASBAWATI, K. Optimal Control of a Mathematical Model of Smoking with Temporary Quitters and Permanent Quitters. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 18, n. 1, p. 42-54, 2021. DOI: 10.20956/j.v18i1.13974. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/13974. Acesso em: 26 apr. 2024.