InicioGenerales SPAIN, July 2015. SigmaDos poll 28.7.15 Area: Spain Sample size: 1800 Sampling error: ±2.3% Method: Tel. Fieldwork date: 21-23 Jul. 2015 Pollster: Sigma Dos Client: Mediaset España (Informativos Telecinco) Source | Parties Etiquetas Generales Sigma Dos Spain Telecinco Facebook Twitter