Chu Thi, Thu Thuy, and Quyen Ngo Thi. “THE IMPACT OF FINANCIAL FLEXIBILITY, ENTERPRISE RISK-TAKING AND AGENCY COSTS ON COMPANY’S VALUE ON NON-FINANCIAL JOINT-STOCK COMPANIES LISTED ON VIETNAM STOCK MARKET AFTER COVID-19 PERIOD”. Thang Long Journal of Science: Applied Science, vol. 5, no. 9, Sept. 2023, pp. 27-40, https://science.thanglong.edu.vn/index.php/vola/article/view/422.