e2089c51_le_Retrospective_Resource_Wiki__Use
[Name] Four L's Retrospective [Summary] Liked – Learned – Lacked – Longed For [Approx. Duration (mins)] 90 - 120 [Use] 
Iteration and project retrospectives as well as for retrospection of training and conference events.
Retrospective Plans - Agile Retrospective Resource Wiki
Use