Nicodemo, D., Couto, R. H. N., Malheiros, E. B. e Jong, D. D. (2012) “Propolis production and its relation to wax production rate in Apis mellifera beehives”, Científica. Dracena, SP, 40(1), p. 90–96. doi: 10.15361/1984-5529.2012v40n1p90 - 96.