BARTH, O. M. Pollen Profile of Geopropolis Samples Collected by Native Bees (Meliponini) in Some South American Countries. Sociobiology, Feira de Santana, Brazil, v. 59, n. 4, p. 1465–1481, 2014. DOI: 10.13102/sociobiology.v59i4.487. Disponível em: https://periodicos.uefs.br/index.php/sociobiology/article/view/487. Acesso em: 16 jan. 2026.