Mačiulytė-Šniukienė, Alma, Mindaugas Butkus, and Marek Szarucki. 2022. “Infrastructure in the Framework of Production Functions: Evidence of EU Member States at the Regional Level”. Technological and Economic Development of Economy 28 (6):1897–1914. https://doi.org/10.3846/tede.2022.18090.