InicioGenerales SPAIN, April 2015. SigmaDos poll 16.4.15 Area: Spain Sample size: 1800 Sampling error: ? Method: Tel. Fieldwork date: 7-9 Apr. 2015 Pollster: Sigma Dos Client: Mediaset España (Informativos Telecinco) Source | Parties Etiquetas Generales Sigma Dos Spain Telecinco Facebook Twitter