קו רוחב צפו באינטרנט התרחשות radio button vs checkbox ארקטי להתפרק ספרן
Pretty Custom Checkboxes & Radio Buttons with Pure CSS - CSS3 Checkbox | CSS Script
Check box v radio button: when to use which in UI design - Justinmind
Is it better to use Checkboxes or Radio Buttons, when there are two or more fields and at least one of them must be filled out to pass validation? - User Experience