A. Pampigna and R. Mauro, “Long-term relationship estimation and coupling/decoupling analysis between motorway traffic and Gross Value Added. Specification of an ARDL cointegration approach and application to the Italian case study”, AoT, vol. 60, no. 4, pp. 39–56, Dec. 2021, doi: 10.5604/01.3001.0015.5393.