Sousa, R. M. (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), pp. 09–12. doi: 10.18378/aab.v1i1.3586.