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Performance of Ipomoea batatas L. Pigment as a pH Strip and Acid–Base Titration Indicator. Trop J Nat Prod Res [Internet]. 2025 Dec. 31 [cited 2026 Jan. 1];9(12):6342 – 6351. Available from: https://www.tjnpr.org/index.php/home/article/view/7965