2.2.2.1. Video: How to Pronounce the /ʒ/ Sound in English - YouTube - https://www.youtube.com/watch?v=2t0jN4k8Q4U

2.2.2.2. Video: English Pronunciation: /ʒ/ vs /dʒ/ - YouTube - https://www.youtube.com/watch?v=0y4kC1L9X0I

2.2.2.3. Article: Minimal Pair /ʒ/ and /dʒ/ | Learn English - https://www.englishclub.com/pronunciation/minimal-pairs-zh-dzh.php

2.2.2.4. Article: English Pronunciation: The Sounds /ʒ/ and /dʒ/ - Hadar Shemesh - https://hadarshemesh.com/magazine/zh-dzh/