MEKONNEN, Z.; WORKU, A.; YOHANNES, T.; BAHRU, T.; MEBRATU, T.; TEKETAY, D. Economic Contribution of Gum and Resin Resources to Household Livelihoods in Selected Regions and the National Economy of Ethiopia. Ethnobotany Research and Applications, [S. l.], v. 11, p. 273–288, 2013. Disponível em: https://ethnobotanyjournal.org/index.php/era/article/view/847. Acesso em: 18 oct. 2021.