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

2.2.3.2. Video: J Sound | Learn English Pronunciation - YouTube - https://www.youtube.com/watch?v=3k7jN4kX4U

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

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