diff --git a/core-java-modules/core-java-collections-maps-7/README.md b/core-java-modules/core-java-collections-maps-7/README.md
index 2724df5695..5599187cd8 100644
--- a/core-java-modules/core-java-collections-maps-7/README.md
+++ b/core-java-modules/core-java-collections-maps-7/README.md
@@ -1,2 +1,3 @@
 ## Relevant Articles
 - [Difference Between putIfAbsent() and computeIfAbsent() in Java’s Map](https://www.baeldung.com/java-map-putifabsent-computeifabsent)
+- [How to Write Hashmap to CSV File](https://www.baeldung.com/java-write-hashmap-csv)