INVESTIGATION AND EVALUATION OF RADIOLOGICAL RISK ASSOCIATED WITH NITROGENOUS FERTILIZER IN NIGERIA USING GAMMA RAY SPECTROMETER. Nigerian Journal of Physics, [S. l.], v. 31, n. 2, p. 26–35, 2022. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/56. Acesso em: 26 apr. 2025.