Uyen, Vo, and Lê Xoan. “Testing Okun’s Law on the Relationship Between Employment Rate and Economic Growth in Developed and Developing Countriesa”. Science & Technology Development Journal: Economics- Law & Management 6, no. 2 (June 30, 2022): 2809-2822. Accessed March 29, 2024. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/865.