สังข์วิจิตร เจตนิพิฐ. “Power Chord Part 1: Basic Concept of Power Chord”. Rangsit Music Journal 14, no. 1 (January 22, 2019): 1–11. accessed September 11, 2026. https://so06.tci-thaijo.org/index.php/rmj/article/view/167508.