Review Inputs, outputs, and Procedures There are two sources of information about inputs, outputs, and procedures. One source is external to the organizations--industry-wide professional organization and other companies. It may not be easy to obtain information from other information. companies, but they are a potential source of important Sometimes, industry journals and magazines report the findings of"best practices" studies. The project team would be negligent in its duties if its members were not familiar with best practice information.