ATMOJO, W. T. Creation of Signature Batik From North Sumatra Ethnicity. Environment-Behaviour Proceedings Journal, [S. l.], v. 9, n. SI23, p. 127–133, 2024. DOI: 10.21834/e-bpj.v9iSI23.6162. Disponível em: https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/6162. Acesso em: 7 oct. 2025.