diff --git a/content/book.json b/content/book.json
index 2caf53233..0e59f5f33 100644
--- a/content/book.json
+++ b/content/book.json
@@ -8,7 +8,7 @@
         "sitemap"
     ],
     "styles": {
-        "website": "style-website-v3.css"
+        "website": "style-website-v4.css"
     },
     "pdf": {
         "margin": {
diff --git a/content/script-gitbook-plugin-disqus.js b/content/script-gitbook-plugin-disqus.js
index 47b541007..ff4b0e8f3 100644
--- a/content/script-gitbook-plugin-disqus.js
+++ b/content/script-gitbook-plugin-disqus.js
@@ -5,19 +5,26 @@ require([
     var useIdentifier = false;
     var disqusConfig = null;
 
-    function prepareDisqusThreadDOM() {
-        var id = "disqus_thread";
-        if ($("#" + id).children().length > 0) {
+    function prepareDisqusPollDOM() {
+        if ($("#disqus_poll").children().length > 0) {
             return;
         }
 
-        $("#" + id).remove()
+        $("#disqus_poll").remove()
+        $(".book-body .page-inner").append(`<div id="disqus_poll" class="disqus_poll" data-disqus-poll-id="391630233761218"></div>`);
+    }
 
-        var $disqusDiv = $("<div>", { "id": id });
-        $(".book-body .page-inner").append($disqusDiv);
+    function prepareDisqusThreadDOM() {
+        if ($("#disqus_thread").children().length > 0) {
+            return;
+        }
+
+        $("#disqus_thread").remove()
+        $(".book-body .page-inner").append(`<div id="disqus_thread"></div>`);
     }
 
     function resetDisqus() {
+        prepareDisqusPollDOM()
         prepareDisqusThreadDOM()
         if (typeof DISQUS !== "undefined") {
             DISQUS.reset({
@@ -77,6 +84,17 @@ require([
             (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
         })();
 
+        (function() {
+            if (document.getElementById('disqus_polls_script')) {
+                // polls.js script already loaded, don't load a second time
+                return;
+            }
+            var d = document, s = d.createElement('script');
+            s.id = 'disqus_polls_script';
+            s.src = 'https://dasarpemrogramangolang.disqus.com/polls.js';
+            (d.head || d.body).appendChild(s);
+        })()
+
         resetDisqus();
     }
 
diff --git a/content/style-website-v3.css b/content/style-website-v4.css
similarity index 98%
rename from content/style-website-v3.css
rename to content/style-website-v4.css
index de77d4c27..b263a4f6f 100644
--- a/content/style-website-v3.css
+++ b/content/style-website-v4.css
@@ -190,6 +190,10 @@ ins.adsbygoogle {
 }
 
 /* disquss block */
+#disqus_poll {
+    margin: 40px auto 5px;
+    max-width: 800px;
+}
 #disqus_thread {
     margin: 40px auto 5px;
     max-width: 800px;