Quang, D.D. and Ha, P.T.T. 2021. Study on Factors of Investment Environment Affecting the Satisfaction of Private Enterprises in Thai Nguyen Province, Vietnam. The International Journal of Business & Management. 9, 3 (Mar. 2021). DOI:https://doi.org/10.24940/theijbm/2021/v9/i3/BM2103-023.