Referensihttps://wpf-tutorial.com/id/1/tentang-wpf/apa-itu-wpf/https://www.wpf-tutorial.com/id/2/tentang-wpf/perbedaan-wpf-dan-winforms/https://docs.google.com/document/d/1h8QZimGaKn1WG3pAzpVZPTKhoPuwOJzX0IXyWMkpqQc/edithttps://carahatisaya.blogspot.com/2013/09/wpf-no1-mengenal-wpf-windows-foundation.html?m=1