To help you identify these sources, you can use a variety of databases and other research tools, which include the Congressional Research Service Public Policy Literature Abstracts and organizations' Web sites.
The websites of the organizations are probably the more reliable sources.
mnli hypothesis: The websites of the organizations are probably the more reliable sources. premise: To help you identify these sources, you can use a variety of databases and other research tools, which include the Congressional Research Service Public Policy Literature Abstracts and organizations' Web sites.