TY JOUR TI Classification of Directive Changes: Features, Structure, and RI/CI Indices KW directive changes KW change classifier KW project life cycle KW construction project management KW Repeatability Index (RI) KW Controllability Index (CI) KW schedule delays KW risk management JO Construction production AU Lapidus, A.A. AU De La Torre Ibanez, M.G. PY 2025 IS 0 PB Publishing Center RIOR