If the article is really great for your research, and you have checked the references used by the author/s, you can look and see if the article has been cited by anyone else since it was published.
This is the original great article:
Mustapha, A. R. (2003). Colonialism and environmental perception in Northern Nigeria. Oxford Development Studies, 31(4), 405-425.
There are several ways to see who has cited the article, but one of the best and easiest ways is to use
Google Scholar. (https://scholar.google.com/)
Be sure to add University of Maryland - Find @ UMD to the Library Links by going to Settings and then Library Links
Once in Google Scholar, type / copy the article title and then click on Cited by: