H. X. Salinas-Ramírez, H. O. Rubio-Arias, L. H. Colmenero-Sujo, S. D. Luévano-Gurrola, and J. M. Ochoa-Rivero, “Indoor radon (222Rn) in a public workplace of Aldama, Chihuahua, Mexico and level of worker exposure”, Acta Universitaria, vol. 30, pp. 1–10, Feb. 2020, doi: 10.15174/au.2020.2458.