A Mathematical Model of Indoor Air Pollution and Its Effects on Human Respiratory Health. International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 1, p. 145–155, 2025. DOI: 10.62054/ijdm/0201.11. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/137.. Acesso em: 17 apr. 2026.