From efdaf5a63670a6638247b317316094edc401c4e3 Mon Sep 17 00:00:00 2001
From: Mactavish <maczhanchao@yahoo.com>
Date: Thu, 18 May 2023 22:18:20 +0200
Subject: [PATCH] add references

---
 slides/pages/qa.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/slides/pages/qa.md b/slides/pages/qa.md
index 446e96d..9ac2a45 100644
--- a/slides/pages/qa.md
+++ b/slides/pages/qa.md
@@ -11,4 +11,7 @@ Any questions about:
 - Topics from the lectures
 - Organisation
 
-<br/>
+### References
+
+- [Petri Nets in Snoopy](https://link.springer.com/protocol/10.1007/978-1-61779-361-5_21)
+- [Modeling Business Processes: A Petri Net-Oriented Approach](https://direct.mit.edu/books/book/2268/Modeling-Business-ProcessesA-Petri-Net-Oriented)
-- 
GitLab