Industry Upgrading: Recommendations of New Products Based on World Trade Network.Published in:Entropy, 2019, v. 21, n. 1, p. 39, doi. 10.3390/e21010039By:Zhang, Wen-Yao;Chen, Bo-Lun;Kong, Yi-Xiu;Shi, Gui-Yuan;Zhang, Yi-ChengPublication type:Article