Research protocol: A cluster-randomised study evaluating the effectiveness of a skill-training programme for social work professionals for improving the follow-up of low-income families within Norwegian welfare services Malmberg-Heimonen, Ira, Tøge, Anne Grete, Gyüre, Krisztina, Rugkåsa, Marianne, Fossestøl, Knut, Bergheim, Berit, Liodden, Tone (2017)
