HE, D. . RESEARCH ON THE IMPACT OF R&D INVESTMENT ON THE FINANCIAL PERFORMANCE OF THE SECURITY INDUSTRY: A CASE STUDY OF DAHUA COMPANY AND HIKVISION . Journal of Buddhist Education and Research, [S. l.], v. 7, n. 2, p. 269–275, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/jber/article/view/251109. Acesso em: 8 may. 2024.