Gwarzo D.A., Suleiman J.S. and Idriss I.M. 2023. EXTRACTION AND APPLICATION OF SOME NATURAL FLOWER PIGMENTS AS ACID-BASE INDICATORS. FUDMA JOURNAL OF SCIENCES. 7, 4 (Aug. 2023), 157 - 162. DOI:https://doi.org/10.33003/fjs-2023-0704-1912.