Marona, Bartłomiej, and Mateusz Tomal. “The COVID-19 Pandemic Impact Upon Housing brokers’ Workflow and Their clients’ Attitude: Real Estate Market in Krakow”. Entrepreneurial Business and Economics Review, vol. 8, no. 4, Sept. 2020, pp. 221-32, doi:10.15678/EBER.2020.080412.