TOBING, P. R.; SUROSO, A. Effect of Change Contract Order, Labor, Material, Tools to Time Delayu of Low-Rise State Building Project. ASTONJADRO, [S. l.], v. 14, n. 4, p. 1221–1243, 2025. DOI: 10.32832/astonjadro.v14i4.19197. Disponível em: http://150.107.142.43/index.php/ASTONJADRO/article/view/19197. Acesso em: 19 mar. 2026.