You can use Scopus to conduct a Cited Reference Search, which gives you the ability to search the list of references in articles, books, etc. If the reference which you are starting with is very relevant to your research, other related publications have probably cited references which are also relevant to your research. Cited reference searching is a useful extension to your standard keyword search.
Step 1. Navigate to the Document search page and enter the keywords "clean energy" OR "green energy" leaving the dropdown menu for Article title, Abstract, Keywords.
We also know that A. M. Omer is particularly active in this area of research, and we are interested in finding publications similar to his. As such we add his name to the second search field, selecting Author from the drop-down menu.
Step 2. Our search yields 20 documents which are listed in order of the number of docuemnst citing them. Looking at the first document Green