TY JOUR TI INDICATORS OF THE QUALITY OF LIFE OF THE POPULATION KW quality of life KW material goods KW non-material goods KW methods for assessing the quality of life KW statistical analysis of the quality of life KW quality of life indicators JO Science & World AU Shumilina, V.E. AU Smolyanets, M.S. AU Kostina, A.A. PY 2021 IS 2021 PB LLC "Perspektiva"