Start by looking for articles on linear optimization in the journal INFORMS: Journal of Applied Analytics. Tip: Make sure you type linear optimization without quotes in the box that says "Search this journal" to find articles ranging from transportation to insurance using this math. If you run across an older article from this important journal, you can find the online access from JSTOR when the journal was named Interfaces. Note: your professor says older articles are okay for optimization.
For examples of articles available on linear programming and mathematical optimization, browse these from various journals, topics, and years:
For specific topics, try one of the following sites to search for journal articles: