ONAFESO, O.S.; AKEREDOLU, F.A.; SONIBARE, J.A. Measurement of Ambient Concentration of NO2 In Obafemi Awolowo University Campus Using Passive Samplers. Ife Journal of Technology, [S. l.], v. 19, n. 2, p. 1–7, 2010. Disponível em: https://ijt.oauife.edu.ng/index.php/ijt/article/view/57. Acesso em: 11 may. 2026.