Particle Size Range in Continuous Particulate Air Monitors (CPAMs) of Gombe Metropolitan Area Northeastern Nigeria: Characterization, Challenges, and Implications for Air Quality Monitoring. International Journal of Inventive Engineering and Sciences (IJIES), [S. l.], v. 12, n. 12, p. 34–46, 2025. DOI: 10.35940/ijies.E8324.12121225. Disponível em: https://journals.blueeyesintelligence.org/index.php/ijies/article/view/965.. Acesso em: 20 feb. 2026.