2.4.3.1. Video: K vs G | English Pronunciation Lesson - YouTube - https://www.youtube.com/watch?v=3f4kN4kX4U

2.4.3.2. Video: Minimal Pairs: /k/ vs /g/ - YouTube - https://www.youtube.com/watch?v=9kX4kC1L9X0I

2.4.3.3. Article: Minimal Pair /k/ and /g/ | Learn English - https://www.englishclub.com/pronunciation/minimal-pairs-k-g.php

2.4.3.4. Article: English Pronunciation: /k/ vs /g/ - Pronunciation Studio - https://pronunciationstudio.com/k-g/