Management and labour in an integrated crop-livestock-forestry system in Roraima, Brazilian AmazoniaAmaury Burlamaqui Bendahan, René Poccard-Chapuis, Roberto Dantas de Medeiros, Newton de Lucena Costa and Jean-François TourrandCah. Agric., 27 2 (2018) 25005DOI: https://doi.org/10.1051/cagri/2018014