There is nice online course in russian to learn TRIZ: https://universarium.org/course/734 https://universarium.org/course/734 https://universarium.org/course/48

There is nice online course in russian to learn TRIZ: https://universarium.org/course/734 https://universarium.org/course/734 https://universarium.org/course/481 https://universarium.org/course/481