BURHAN, A. H. Potential of Beetroot (Beta vulgaris L.) and Purple Sweet Potato (Ipomoea batatas L.) as Natural Indicators of Formalin in Food. JURNAL ILMU KESEHATAN BHAKTI SETYA MEDIKA, [S. l.], v. 4, p. 7–13, 2019. DOI: 10.56727/bsm.v4i.67. Disponível em: https://jurnal.poltekkes-bsi.ac.id/index.php/bsm/article/view/67. Acesso em: 22 jan. 2025.