GitHub - egglestn/multiple: Sample project, demonstrating multiple radio buttons in RoR
Multiple radio buttons
GitHub - podia/bootstrap4_form: Official repository of the bootstrap_form gem, a Rails form builder that makes it super easy to create beautiful-looking forms using Bootstrap 4
rails/form_options_helper.rb at master · casunlight/rails · GitHub
ruby on rails - How to use Reform to prepopulate for featured objects? - Stack Overflow