Lopez Fernandez, O., Kuss, D., Griffiths, M., & Billieux, J. (2015). The conceptualization and assessment of problematic mobile phone use. In Z. Yan (ed.), Encyclopedia of Mobile Phone Behavior (Volumes 1, 2, & 3) (p. p. 591-606). IGI Global. https://doi.org/10.4018/978-1-4666-8239-9