Варцаба, В. І. “Regarding the Identification of Main Features of Improvement and Harmonization of Market Agents Relations in Welfare Economics”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 1, no. 9 (September 5, 2014): 67–72. Accessed April 28, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/193.