He, D. . (2021) “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, 7(2), pp. 269–275. Available at: https://so06.tci-thaijo.org/index.php/jber/article/view/251109 (Accessed: 19 April 2024).