Woźnicki, Adam, and Remigiusz Gawlik. “Measuring the Technological Competitiveness of Economies With the PTCE Method: PRC Vs. USA 2000–2020”. Technological and Economic Development of Economy, vol. 30, no. 5, July 2024, pp. 1412–1434, https://doi.org/10.3846/tede.2024.21520.