Opinions on the design and measurements of the effect of a road safety leaflet/

Opinions on the design and measurements of the effect of a road safety leaflet/

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Detalhes bibliográficos
Main Authors: 230458 Higgs, Mavis H., Transport and Road Research Laboratory (Great Britain)
Formato:
Publicado em: Crowthorne, Berkshire : Transport and Road Research Laboratory, 1972
Assuntos:
Traffic safety

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