M. Del Giudice, F. Manzone, M. Rebaudengo, A. Barbero. "EFFORT EVALUATION OF BIM PROCESS FOR EXISTING BUILDINGS." 4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017, 2017, pp. 565-572. https://doi.org/10.5593/sgemsocial2017/52/S21.069