OLLERTON, J.; ROUQUETTE, J. R.; BREEZE, T. D. Insect pollinators boost the market price of culturally important crops: holly, mistletoe and the spirit of Christmas. Journal of Pollination Ecology, [S. l.], v. 19, p. 93–97, 2016. DOI: 10.26786/1920-7603(201)6. Disponível em: https://pollinationecology.org/index.php/jpe/article/view/412. Acesso em: 10 aug. 2022.