Tantirungrotechai, Yuthana, 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”. Science & Technology Asia 28, no. 1 (March 21, 2023): 1–16. Accessed June 8, 2023. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/248863.