ILUGO, Nwanne Theresa; AVWIRI, Gregory O.; CHAD-UMOREN, Yehuwdah E. Measurement of Background Ionizing Radiation in Selected Buildings with Altitude within Delta State, Nigeria. Nigerian Journal of Physics, [S. l.], v. 34, n. 4, p. 14–23, 2025. DOI: 10.62292/10.62292/njp.v34i4.2025.424. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/424. Acesso em: 9 oct. 2025.