Ovalle, S. A. M., Caballero, F. R., & Puin, L. X. G. (2013). Radiation protection to workers and public in general, in installations that use industrial radioisotopes. Universidad Pedagógica y Tecnológica de Colombia.

Ovalle, Segundo Agustín Martínez, Faustino Reyes Caballero, and Laura Ximena González Puin. Radiation Protection to Workers and Public in General, in Installations That Use Industrial Radioisotopes. Universidad Pedagógica y Tecnológica de Colombia, 2013.

Ovalle, Segundo Agustín Martínez, et al. Radiation Protection to Workers and Public in General, in Installations That Use Industrial Radioisotopes. Universidad Pedagógica y Tecnológica de Colombia, 2013.