Wulandari, I., Prasetya, R. C., Satriawan, W., Semadi, I. K., & Harahap, H. S. (2025). The Role of Musical Hobbies in Enhancing Children’s Learning Concentration. Jurnal Biologi Tropis, 25(3), 2614–2620. https://doi.org/10.29303/jbt.v25i3.9185