WU, Ziyu; SUN, Haowen; LIANG, Guijie; ZHANG, Fa. Empirical Study on the Relationship between R&D Investment and Performance of Specialized, Refined, Unique and New Enterprises: Based on Data Analysis of A-share Specialized, Refined, Unique and New Listed Companies. Highlights in Business, Economics and Management, [S. l.], v. 54, p. 250–259, 2025. DOI: 10.54097/6xc7e983. Disponível em: https://hbem.org/index.php/OJS/article/view/292. Acesso em: 29 jul. 2026.