2.7.1.1. Video: English Consonants | Learn All 24 Sounds - YouTube - https://www.youtube.com/watch?v=3k7jN4kX4U

2.7.1.2. Video: Review of English Consonant Sounds - YouTube - https://www.youtube.com/watch?v=0z1gT2g3w5s

2.7.1.3. Article: English Consonant Sounds: Pronunciation Practice - Speech Active - https://www.speechactive.com/english-consonants-ipa/

2.7.1.4. Article: The 24 Consonant Sounds in English - Pronunciation Studio - https://pronunciationstudio.com/consonant-sounds/