diff --git a/SC3012.md b/SC3012.md
index 0d85c78..42f388c 100644
--- a/SC3012.md
+++ b/SC3012.md
@@ -40,4 +40,5 @@ If you know your `sh` will be e.g. `dash`, consider explicitly using `#!/bin/das
 
 ### Related resources:
 
+* [Greg's Wiki - Bashism - Conditionals](https://mywiki.wooledge.org/Bashism#Conditionals)
 * POSIX: [test](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html#tag_20_128), [expr](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/expr.html)