TY JOUR TI Approach to the formation of optimal infrastructure of the construction complex of the republic of Dagestan using cluster analysis KW cluster analysis KW district KW city KW model KW infrastructure KW comparison KW set KW criteria KW parameters KW evaluation KW grouping JO Construction and Architecture AU Postnov, K.V. AU Aliyeva, A.A. PY 2024 IS 12 PB Publishing Center RIOR