diff --git a/References.txt b/References.txt
index d1be418..c4faa7a 100644
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+++ b/References.txt
@@ -231,4 +231,11 @@ This reference details how to export data to an Excel spreadsheet using C#.
 http://sourceforge.net/projects/itextsharp/
 
 This is a .NET library for exporting data to a PDF file.
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+===================================================================
+
+====Suggestions by Omer Affan================================================
+
+Essentials of Machine Learning Algorithms (with Python and R Codes):
+https://www.analyticsvidhya.com/blog/2017/09/common-machine-learning-algorithms/
+
+=================================================================================
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