Sousa, R.M. et al. 2013. Africanized honey bees (Apis mellifera L.) density for pollination in culture of the melon (Cucumis melo L.) in the state of Ceará – Brazil. ACTA Apicola Brasilica. 1, 1 (Jul. 2013), 09–12. DOI:https://doi.org/10.18378/aab.v1i1.3586.