Sierra Figueredo, Pablo, Adolfo M Pérez Piñeiro, Odil Durán Zarabozo, Blanca Castellanos-Pontenciano, and Juan Manuel Zaldivar Cruz. 2015. “Aspects to Be Evaluated Within the Bio-Economy and Eco Trail - Intensification for the Good Performance of Beekeeping to the Variability of Solar and Geomagnetic Activity and Climate Change”. Rev. Iberoam. Bioecon. Cambio Clim. 1 (1). Nicaragua, NI:207-22. https://doi.org/10.5377/ribcc.v1i1.2149.