NAZARKO, Joanicjusz; CHODAKOWSKA, Ewa. Labour efficiency in construction industry in Europe based on frontier methods: data envelopment analysis and stochastic frontier analysis. Journal of Civil Engineering and Management, [S. l.], v. 23, n. 6, p. 787–795, 2017. DOI: 10.3846/13923730.2017.1321577. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/1180. Acesso em: 30 jun. 2025.