Głuszak, Michał, Jarosław Czerski, and Robert Zygmunt. “Estimating Repeat Sales Residential Price Indices for Krakow”. Oeconomia Copernicana 9, no. 1 (March 31, 2018): 55–69. Accessed January 27, 2022. http://economic-research.pl/Journals/index.php/oc/article/view/715.