Wiyantoko, B. and astuti, A. 2020. Butterfly Pea (Clitoria Ternatea L.) Extract as Indicator of Acid-Base Titration. Indonesian Journal of Chemical Analysis (IJCA). 3, 1 (Mar. 2020), 22–32. DOI:https://doi.org/10.20885/ijca.vol3.iss1.art4.