Mello Bobany, D. de ., R. C.L. Martins, and J. . Costa Vieira. “Use the Dregs of Propolis of Apis Mellifera in Replacing the Pesticide in Horticulture”. Agricultural Advances, vol. 3, no. 4, Apr. 2014, pp. 131-4, http://sjournals.com/index.php/aa/article/view/713.