PURS, G. A.; SAMAL, N. K. Theoretical foundations of estimated construction costs. Ways to Improve Construction Efficiency, [S. l.], n. 42, p. 41–54, 2019. DOI: 10.32347/2707-501x.2019.42.41-54. Disponível em: http://ways.knuba.edu.ua/article/view/195562. Acesso em: 7 may. 2024.