UAIJMCS Volume- 1 Issue- 5 (September-October) 2025 Article Title: Author(s) Name: Page: Étude in C minor, Op. 10, No. 12, "Revolutionary” :Why is the left hand so important? KeCun Meng P: 01-04 PDF The Development and Application of Modern Educational Technology: Exploration and Reflection He rui an P: 05-08 PDF