Smartphone usage in the 21st century: who is active on WhatsApp?
Christian Montag; Konrad Błaszkiewicz; Rayna Sariyska; Bernd Lachmann; Ionut Andone; Boris Trendafilov; Mark Eibes; Alexander Markowetz. (2015). Smartphone usage in the 21st century: who is active on WhatsApp?. BMC Research Notes.
DOI: 10.1186/s13104-015-1280-z
Original publication: https://doi.org/10.1186/s13104-015-1280-z
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