Trung, T. V. ., and L. H. . Doan. “Contribution of Capital, Labor, and Total Factor Productivity to Economic Growth and Enterprise Value-Added: A Case Study of Ha Tinh Province, Vietnam”. International Journal of Innovative Research and Scientific Studies, vol. 8, no. 3, May 2025, pp. 3899-06, doi:10.53894/ijirss.v8i3.7402.