In any long-term activity, even if it is carefully planned, there is always something that could go wrong. The reasons for that might be various- changing environment, too optimistic preliminary estimates or unexpected risks. Therefore a necessary systematic follow-up of the proccess is required. Overall processes of monitoring and control are similar, so often they are considered together.
In the published piece you can read about similarities and differences between monitoring and control, monitoring of deinstitutionalization, based on a child-centered approach (child-centered monitoring).