Get an overview of the scholarship and find links to relevant citations.
Peer-reviewed encyclopedic articles on international studies
Policy briefs or policy papers summarize a policy issue and argue for a particular solution. Many policy briefs from think tanks, NGOs, and research institutes can be found online. Include the keywords "policy brief" or "policy paper" or "white paper" in your search.
Be sure to evaluate the organization.
If a site's search function is not good, use a Google site search to find relevant pages within an organization's website.
Being non-profit or even being humanitarian does not mean that an organization does not have a bias in favor or against a certain subject, industry or policy. Just because an organization has a bias does not mean that you would not use information from them.