Świdyńska, Natalia, and Weronika Jarzębowska. “The Subsidy System As a Prerequisite for the Development of Micro-Photovoltaic Installations in Households in Poland”. Olsztyn Economic Journal 21, no. 2 (September 10, 2026): 5–20. Accessed September 12, 2026. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/12456.