This plugin will let you create custom post relationships.
Check http://webtoolkit4.me/2010/06/10/wordpress-plugin-custom-post-relationships-cpr-v1-0/ for info on how to display your related posts.
Have in mind that you can display anything you want, even custom fields.
Requires: 2.9.0 or higher
Compatible up to: 3.0.5
Last Updated: 7 years ago
Active Installs: 100+
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