SIREGAR, Siddik; IRSAN SIREGAR, Eddy; ., . Differentiation Strategy of Soes Construction Service in Indonesia: A Point of View of Project Managers. International Journal of Engineering and Technology, [S. l.], v. 7, n. 2.29, p. 899–904, 2018. DOI: 10.14419/ijet.v7i2.29.14279. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/14279.. Acesso em: 12 apr. 2025.