RAHMA, U.; ZULFAJRI, M.; ISMULYATI, S. Evaluation of anthocyanin extracted from Lempeni (Ardisia Elliptica l.) fruit as a new natural acid-base indicator. International Journal of Biology and Chemistry, [S. l.], v. 18, n. 1, 2025. DOI: 10.26577/IJBCh202518116. Disponível em: https://ijbch.kaznu.kz/index.php/kaznu/article/view/942. Acesso em: 9 jul. 2025.