Improving Design Quality by Contractor Involvement: An Empirical Study on Effects. - Lappalainen, Eelon; Uusitalo, Petteri; Pikas, Ergo; Seppänen, Olli; Peltokorpi, Antti; Uusitalo, Petri; Reinbold, Ana; Menzhinskii, Nikolai (Buildings (2075-5309), 2022)