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 30, no. 5 (July 11, 2024): 1412–1434. Accessed December 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/21520.