Y. . Tantirungrotechai, Aphiradee Syananondh, and Napaporn Youngvises, “Flow Analysis with Cerium (IV) Colorimetric Reagent for Determination of Procaine and Elucidation of the Color Species by Computational Investigation”, Sci Tech Asia, vol. 28, no. 1, pp. 1–16, Mar. 2023.