Duong, H., H. Lai, H. Nguyen, G. Le, and Y. Hua. “Factors Affecting TFP Productivity: A Survey in Six Industries in Ho Chi Minh City”. Science and Technology Development Journal, Vol. 16, no. 2, June 2013, pp. 16-24, doi:https://doi.org/10.32508/stdj.v16i2.1469.