MAP20100019931 Neumann, W.P. Effect assessment in work environment interventions : a methodological reflection / W.P. Neumann, J. Eklund, B. Hansson En: Ergonomics : the international journal of research and practice in human factors and ergonomics. - Oxon [United Kingdom] : Taylor & Francis, 2010- = ISSN 0014-0139. - 01/01/2010 Volumen 53 Número 1 - enero 2010 , p. 130-137 I. Eklund, J. . II. Hansson, B. . III. Title.