EKPO, R.E.; MARCUS, A.C.; OBRUCHE, E.O. Spatial and Temporal Variations in the Concentrations of Particulate Matter in Ambient Air from Three Different Locations in River State, Nigeria. International Journal of Scientific Research in Chemical Sciences, [S. l.], v. 10, n. 4, p. 32–38, 2023. Disponível em: https://ijsrcs.isroset.org/index.php/j/article/view/138. Acesso em: 12 apr. 2025.