EFFECT OF ATOMIC NUMBER AND MASS ATTENUATION COEFFICIENT IN Ni-Mn FERRITE SYSTEM. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 1, p. 1029–1034, 2022. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/4804. Acesso em: 19 jul. 2026.