Liu X- xiao, Liu H- hui, Yang G- liang, Pan J- feng. Productivity assessment of the real estate industry in China: a two-stage Malmquist productivity index. IJSPM [Internet]. 2021Feb.19 [cited 2024Nov.22];25(2):146-68. Available from: https://bme.vgtu.lt/index.php/IJSPM/article/view/14199