Kruanetr, Senee, and Kanyarak Prasertboonyai*. “UV-Vis Spectrophotometric Method Using Natural Reagent from Vigna unguiculata subsp. sesquipedalis for Tetracycline Determination in Pharmaceutical Samples”. CURRENT APPLIED SCIENCE AND TECHNOLOGY 21, no. 1 (August 4, 2020): 51–64. accessed September 24, 2026. https://li01.tci-thaijo.org/index.php/cast/article/view/245823.