TOBING, P. R. Analysis of The Influence of Change Contract Order, Labor, Materials and Tools on the Performance of the Implementation Time Low-Rise State Building Project . Eduvest - Journal of Universal Studies, [S. l.], v. 5, n. 8, p. 9632–9649, 2025. DOI: 10.59188/eduvest.v5i8.50876. Disponível em: https://eduvest.greenvest.co.id/index.php/edv/article/view/50876. Acesso em: 16 feb. 2026.