SIHOMBING, E. L.; ERNAWATI, D.; DEWI , S. Waste in Contract Document Preparation Using Lean Service . Academia Open, [S. l.], v. 11, n. 2, p. 10.21070/acopen.11.2026.14079, 2026. DOI: 10.21070/acopen.11.2026.14079. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/14079. Acesso em: 10 aug. 2026.