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Smartphone usage in the 21st century: who is active on WhatsApp?

Christian Montag1,2, Konrad Błaszkiewicz3, Rayna Sariyska4

  • 1Institute of Psychology and Education, Ulm University, Ulm, Germany. christian.montag@uni-ulm.de.

BMC Research Notes
|August 5, 2015
PubMed
Abstract

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