INDRA SETIAWAN; TUMANGGOR, Ojakma Sihar Panaili; HARDI PURBA, Humiras. Value Stream Mapping: Literature Review and Implications for Service Industry. Jurnal Sistem Teknik Industri, [S. l.], v. 23, n. 2, p. 155–166, 2021. DOI: 10.32734/jsti.v23i2.6038. Disponível em: https://talenta.usu.ac.id/jsti/article/view/6038. Acesso em: 16 dec. 2025.