Ryan, Lorraine, Jonathan Lavelle, Michelle O’Sullivan, Juliet McMahon, Caroline Murphy, Tom Turner, Patrick Gunnigle, and Mike O’Brien. “Defining and Regulating Zero Hours Work: Lessons from a Liberal Market Economy”. Nordic Journal of Working Life Studies 9, no. S6 (June 1, 2019). Accessed June 26, 2019. https://tidsskrift.dk/njwls/article/view/114692.