Kruanetr, S. ., & Prasertboonyai*, K. . (2020). UV-Vis Spectrophotometric Method Using Natural Reagent from Vigna unguiculata subsp. sesquipedalis for Tetracycline Determination in Pharmaceutical Samples. CURRENT APPLIED SCIENCE AND TECHNOLOGY, 21(1), 51–64. retrieved from https://li01.tci-thaijo.org/index.php/cast/article/view/245823