LIU, Bojun. Operational Strategy in the Musical Instruments Industry: A Case Study of Yamaha. Journal of Education, Humanities and Social Sciences, [S. l.], v. 61, p. 275–279, 2025. DOI: 10.54097/0dtwd237. Disponível em: https://drpehss.com/index.php/ojs/article/view/42. Acesso em: 30 apr. 2026.