Work and technological innovation in organic agriculture - Tereso, Mauro José Andrade; Abrahão, Roberto Funes; Gemma, Sandra Francisca Bezerra; Montedo, Uiara Bandineli; Menegon, Nilton Luiz; Santos, João Eduardo Guarnetti dos; Ribeiro, Ivan Augusto Vall (Work: a journal of prevention, assessment and rehabilitation, 2012)