#Research paper: Does productivity in #Africa benefit from advanced countries’ R&D? http://bit.ly/2qbI87O pic.twitter.com/ixoJqbA6mA
11:00 AM - 28 Apr 2017
0 replies
9 retweets
5 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.