The whole topic is mainly discussed over the web. But I always have the same questions: * How explain the value to managers and/or direction to add a step when

The whole topic is mainly discussed over the web. But I always have the same questions: * How explain the value to managers and/or direction to add a step when the code review is not present in the company? * How to enforce the process inside a team? What to do in front of a developer who do not want to change his/her code after a code review? * When do you put the line between immediate correction or new ticket when code reviewing?