Go into the school library to find the doi number of the article, then open SCI-Hub and put the DOI number in the search bar. A website run by a fighting nation, their slogan is: scientific sharing, knowledge without borders. Yeah! /scihub/？ tdsourcetag=s_pctim_aiomsg

There are three alternative websites, which one can be used. If the website doesn't work, please search: SCI-HUB)

Then click on the top right to download.