HACKEL, Monika; KLEBL, Michael. Triangulation of Qualitative Methods for the Exploration of Activity Systems in Ergonomics. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, [S. l.], v. 9, n. 3, 2008. DOI: 10.17169/fqs-9.3.1007. Disponível em: https://www.qualitative-research.net/index.php/fqs/article/view/1007. Acesso em: 28 mar. 2024.