KUSRINI, E.; NISA, F.; HELIA, V. N. Lean Service Approach for Consulting Services Company. International Journal of Integrated Engineering, [S. l.], v. 11, n. 5, p. 189–195, 2019. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4218. Acesso em: 7 jul. 2022.