UGWUANYIA, J.; AGBENDEA, A.; ONOJAA, A.; UGWUB, A. Atmospheric concentrations of particulate phase of PAHs and their possible sources, in Port Harcourt, Nigeria. Nigerian Journal of Physics, [S. l.], v. 21, n. 1, p. 72–80, 2013. DOI: 10.4314/njphy.v21i0. Disponível em: https://www.ajol.info/index.php/njphy/article/view/89426. Acesso em: 29 aug. 2026.