Remove right sidebar from specific pages

Hello,

How can we remove the right sidebar from certain pages, so that the content is centered instead of on the left?

For example, I’d like the right side bar removed on this specific page, so the content uses the full width of the page:

https://www.neliti.com/wp-content/uploads/2015/06/Screen-Shot-2015-06-04-at-8.51.05-am.png

Any suggestions?

Thanks ??