MAP20100098301 Chan, Alan H.S. Effects of sign characteristics and training methods on safety sign training effectiveness / Alan H.S. Chan, Annie W.Y. Ng En: Ergonomics : the international journal of research and practice in human factors and ergonomics. - Oxon [United Kingdom] : Taylor & Francis, 2010- = ISSN 0014-0139. - 01/11/2010 Volumen 53 Número 11 - noviembre 2010