Fundamentals of Operations Research by G Srinivasan. https://medium.com/@jossctz/google-kubernetes-engine-default...

It is a great course for non management majors to get a sense about how operations work. In fact, it is meant for non-management students because the course is originally taught at an engineering institute.

The instructor is a great figure in Operations Research. He is exceptionally knowledgeable and more importantly, clear.