A fascinating self-study course on "Intractable Conflict" -- this page is a shortcut menu showing all the sections offered. For each topic, there's a summary, plus a selection of readings for further exploration and understanding. It's not something you'll finish in an hour -- but then, the topic would not lend itself to simplistic solutions if you want effective conflict strategies!
International Online Training Program On Intractable Conflict
The CRInfo Source -- an index to many resources on Conflict Resolution and Conflict Management. The material included is extensive, from a wide range of sources, and directed to many audiences: students, educators, reseachers, adversaries, and bystanders.