%0 Journal Article %T Classification of Directive Changes: Features, Structure, and RI/CI Indices %A Lapidus, A.A. %A De La Torre Ibanez, M.G. %K directive changes, change classifier, project life cycle, construction project management, Repeatability Index (RI), Controllability Index (CI), schedule delays, risk management %J Construction production %D 2025 %N 0 %P 12 %I Publishing Center RIOR