books: gopl website and publication date
diff --git a/Books.md b/Books.md
index 5415b85..7a0ec8f 100644
--- a/Books.md
+++ b/Books.md
@@ -102,9 +102,9 @@
* **The Go Programming Language (Addison-Wesley Professional Computing Series)**
* Author: Brian W. Kernighan & Alan Donovan
- * Publication Date: November 13, 2015
+ * Publication Date: October 30, 2015
* ISBN: 978-0134190440
- * Reference: http://www.informit.com/store/go-programming-language-9780134190440
+ * Reference: http://www.gopl.io/
## Available without Publication Date
@@ -315,4 +315,4 @@
* Author: Sajarwo Anggai
* Publication Date: October 21, 2013
* ISBN: ---
- * Reference: https://sajarwo87.wordpress.com/2013/10/21/buku-bahasa-pemrograman-go/
+ * Reference: https://sajarwo87.wordpress.com/2013/10/21/buku-bahasa-pemrograman-go/
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