My Understand Horses Trainer's course https://courses.understandhorses.com/courses/horse-trainer-foundation-certificate
My IAABC Foundation course https://iaabcfoundation.org/courses/equine-discomfort-ethogram/
My IAABC Foundation Journal article on targets
https://journal.iaabcfoundation.org/target-training-for-horses-hit-or-miss/