FRENDY LAURENZA; HERI SUJATMIKO; DIMAS AJI PURNOMO. THE ROLE OF PROJECT MANAGERS IN IMPROVING CONSTRUCTION PROJECT EFFICIENCY. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 4, n. 8, p. 1255–1262, 2025. DOI: 10.54443/ijset.v4i8.812. Disponível em: https://ijset.org/index.php/ijset/article/view/812. Acesso em: 11 sep. 2025.