ahlam1399
01-14-2017, 05:52 PM
Find out why a World Bank data scientist got excited about the global charts of 2016.
أكثر... (http://www.npr.org/sections/goatsandsoda/2017/01/14/509137225/surprising-charts-about-smoking-unemployment-and-mobile-phones?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/goatsandsoda/2017/01/14/509137225/surprising-charts-about-smoking-unemployment-and-mobile-phones?utm_medium=RSS&utm_campaign=news)