THE PROBLEM OF HOUSING AFFORDABILITY AS A DURABLE ECONOMIC GOOD FROM THE POINT OF VIEW OF TYUMEN CONSUMER PURCHASING POWER Journal title: International Journal of Civil Engineering and Technology Authors: NATALYA B. PANCHENKO, BORIS V. FEDOROV, YULIYA S. BERDOVA, DINA V. ARYASOVA AND YURII A. ZOBNIN Subject(s): Engineering, Civil Engineering