4.3.2.1. Video: Stress in Three-Syllable Words | English Pronunciation - YouTube - https://www.youtube.com/watch?v=3k7jN4kX4U
4.3.2.2. Video: How to Stress Second Syllable in Three-Syllable Words - YouTube - https://www.youtube.com/watch?v=0z1gT2g3w5s
4.3.2.3. Article: Stress in Three-Syllable Words - Pronunciation Studio - https://pronunciationstudio.com/three-syllable-stress/
4.3.2.4. Article: Word Stress in Multi-Syllable Words - Hadar Shemesh - https://hadarshemesh.com/magazine/multi-syllable-stress/