JENIMAT, Anjelina Derci; LAWUNG, Yustina D; BAUNSELE, Anselmus Boy; BOELAN, Erly Grizca; WARIANI, Theresia; LEBA, Maria Aloisia Uron. Phytochemical Content of Fresh Purple Sweet Potato (Ipomea batatas L.) Extract As Acid-Base Titration Indicator. Sains Natural: Journal of Biology and Chemistry, [S. l.], v. 13, n. 2, p. 57–66, 2023. DOI: 10.31938/jsn.v13i2.439. Disponível em: https://www.ejournalunb.ac.id/JSN/article/view/439. Acesso em: 20 apr. 2026.