OBI, Chisom Ugonna; ROBERT, James James; CHINEKE, Theodore Chidiezie. Elemental Analysis of Particulate Matter at Relief Market, Egbu, Imo State. Nigerian Journal of Physics, [S. l.], v. 35, n. 3, p. 176–180, 2026. DOI: 10.62292/njp.v35i3.2026.502. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/502. Acesso em: 30 jun. 2026.