Progress on Broadband Access to the Internet and Use of Mobile Devices in the United States : Tracking Healthy People 2020 Goals

Autor: Serrano, Katrina J., Thai, Chan L., Greenberg, Alexandra J., Blake, Kelly D., Moser, Richard P., Hesse, Bradford W.
Zdroj: Public Health Reports (1974-), 2017 Jan 01. 132(1), 27-31.
Databáze: JSTOR Journals