diff --git a/BPM/notation/BPMN/DMN/README.md b/BPM/notation/BPMN/DMN/README.md
index e3bedf62..658b1fc0 100644
--- a/BPM/notation/BPMN/DMN/README.md
+++ b/BPM/notation/BPMN/DMN/README.md
@@ -1,4 +1,8 @@
-DMN Decision Model and Notation  
+### DMN Decision Model and Notation  
 
 - [Моделирование решений: краткий ликбез по нотации DMN для аналитика](https://babok-school.ru/blog/what-is-dmn-and-how-to-use-it-example/)
 - [DMN и бизнес-правила для «чайников»](https://bpmn2.ru/blog/dmn-i-biznes-pravila-dlya-chainkov)
+
+### CMMN Case Management Model and Notation
+- [BPMN против CMMN](https://www.cybermedian.com/ru/what-is-case-management-model-and-notation-cmmn)
+- [smirnov](https://mxsmirnov.com/2014/08/18/cmmn/)