Comparison of risk and protective factors associated with smartphone addiction and Internet addiction / Sam-Wook Choi [et al.] Bibliogr.: p. 313-314. - Abtsr. eng. In: Journal of Behavioral Addictions. - ISSN 2062-5871, eISSN 2063-5303. - 2015. 4. évf. 4. sz., p. 308-314. : ill.