Provide buttons with a large target size - Access Guide

Radio Buttons UX Design. by Nick Babich, by Nick Babich

Foundations: target sizes - TetraLogical

Target Size and 2.5.5 — Adrian Roselli

How To Test Touch Target Size to Meet Accessibility Standards - Adee

Understanding Success Criterion 2.5.8: Target Size (Minimum)

Looking at WCAG 2.5.5 for Better Target Sizes

Quick test: Large touch targets - The A11Y Project

Looking at WCAG 2.5.5 for Better Target Sizes

Targetsize - Accessibility Designer Guide

What is the optimum button size of touch screen applications? - UX Pickle

Foundations: target sizes - TetraLogical

3 Simple Tips on UX Button Design