Wulandari, Inayah, Rangga Cahya Prasetya, Wira Satriawan, I Kadek Semadi, and Herpan Syafii Harahap. “The Role of Musical Hobbies in Enhancing Children’s Learning Concentration”. Jurnal Biologi Tropis 25, no. 3 (July 9, 2025): 2614–2620. Accessed July 13, 2025. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/9185.