diff --git a/doc/development/open-questions/index.mdwn b/doc/development/open-questions/index.mdwn
index cfb55985a..f10ba83e3 100644
--- a/doc/development/open-questions/index.mdwn
+++ b/doc/development/open-questions/index.mdwn
@@ -111,3 +111,8 @@ Discussion of metacognitive strategies that could have computer aides.
+ https://www.mrc-bsu.cam.ac.uk/software/bugs/
+ https://www.quora.com/Are-there-any-tools-that-will-take-a-graphical-model-specified-in-the-BUGS-language-and-output-a-visualization-of-that-graphical-model?share=1
+ https://cran.r-project.org/web/views/gR.html
+- Thinking routines
+ *
+ *
+ *
+ *