diff --git a/C_secure_coding/readme.md b/C_secure_coding/readme.md
index 4478658..db8ffd6 100644
--- a/C_secure_coding/readme.md
+++ b/C_secure_coding/readme.md
@@ -13,3 +13,14 @@ https://cert.pl/publikacje/
 https://open-std.org
 
 misra.org.uk
+
+isocpp.org/std/status
+
+herbsutter.com
+
+eel.is/c++draft
+
+insights.sei.cmu.edu/documents/813/2009_005_001_15110.pdf
+pubs.opengroup.org/onlinepubs/9299969899/toc.pdf
+accu.org
+Magazyn "Programista" - Fujitsu prenumeruje