Camayo-Lapa, B., Massipe-Hernaández, J., Torres-Ten, A., Quispe-Flores, M. and Pomachagua-Paucar, J. 2017. Validation and application of Bristow Campbell model for estimating the global solar radiation in the Junin region. Chemical Technology. 37, 3 (Sep. 2017), 621-637. DOI:https://doi.org/10.1590/2224-6185.2017.3.%x.