diff --git a/core-java-modules/core-java-lang-math-3/README.md b/core-java-modules/core-java-lang-math-3/README.md
index 9eee021f8f..dda3013407 100644
--- a/core-java-modules/core-java-lang-math-3/README.md
+++ b/core-java-modules/core-java-lang-math-3/README.md
@@ -5,4 +5,5 @@
 ### Relevant articles:
 
 - [Calculate Factorial in Java](https://www.baeldung.com/java-calculate-factorial)
+- [Evaluating a Math Expression in Java](https://www.baeldung.com/java-evaluate-math-expression-string)
 - More articles: [[<-- Prev]](/core-java-modules/core-java-lang-math-2)
diff --git a/java-collections-maps-3/README.md b/java-collections-maps-3/README.md
index 4da8547824..39ac8575fa 100644
--- a/java-collections-maps-3/README.md
+++ b/java-collections-maps-3/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles:
 
 - [Java Map With Case-Insensitive Keys](https://www.baeldung.com/java-map-with-case-insensitive-keys)
+- [Using a Byte Array as Map Key in Java](https://www.baeldung.com/java-map-key-byte-array)
diff --git a/java-numbers-4/README.md b/java-numbers-4/README.md
index 7db25b283c..cdd53692e0 100644
--- a/java-numbers-4/README.md
+++ b/java-numbers-4/README.md
@@ -2,3 +2,4 @@
 
 - [Probability in Java](https://www.baeldung.com/java-probability)
 - [Understanding the & 0xff Value in Java](https://www.baeldung.com/java-and-0xff)
+- [Determine if an Integer’s Square Root Is an Integer in Java](https://www.baeldung.com/java-find-if-square-root-is-integer)
diff --git a/patterns/clean-architecture/README.md b/patterns/clean-architecture/README.md
new file mode 100644
index 0000000000..aad8608447
--- /dev/null
+++ b/patterns/clean-architecture/README.md
@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Clean Architecture with Spring Boot](https://www.baeldung.com/spring-boot-clean-architecture)
diff --git a/persistence-modules/java-jpa-3/README.md b/persistence-modules/java-jpa-3/README.md
index 1949207364..9c9e040825 100644
--- a/persistence-modules/java-jpa-3/README.md
+++ b/persistence-modules/java-jpa-3/README.md
@@ -9,3 +9,4 @@ This module contains articles about the Java Persistence API (JPA) in Java.
 - [Defining Indexes in JPA](https://www.baeldung.com/jpa-indexes)
 - [JPA CascadeType.REMOVE vs orphanRemoval](https://www.baeldung.com/jpa-cascade-remove-vs-orphanremoval)
 - [A Guide to MultipleBagFetchException in Hibernate](https://www.baeldung.com/java-hibernate-multiplebagfetchexception)
+- [How to Convert a Hibernate Proxy to a Real Entity Object](https://www.baeldung.com/hibernate-proxy-to-real-entity-object)