cobol online course - SERP Analysis

https://openmainframeproject.org/projects/cobol-programming-course/

https://www.reddit.com/r/cobol/comments/13rl44v/are_there_any_good_online_courses_or_classes_for/

https://www.udemy.com/course/mainframe-the-complete-cobol-course-from-beginner-to-expert/?srsltid=AfmBOoqAOilJ77bVLqPmmZMXxDt1XHjIOvthkOssWbUrKZmIzthXpuG_

https://www.classcentral.com/report/best-cobol-courses/

https://www.coursera.org/learn/cobol-programming-vscode

https://www.techradar.com/best/cobol-online-courses

https://www.coursera.org/learn/ibm-cobol-basics

https://www.linkedin.com/learning/topics/cobol

https://www.rocketsoftware.com/en-us/learn-cobol

http://gogotraining.com/training/libraries/5/mainframe-cobol/