Barcelo, J. M. ., J. . Alvarado, P. D. Magisa, Y. K. Opalec, H. Peralta, K. Ramos, and C. Saldua. “Determination of Biogenic Amines Using Image Analysis of Ninhydrin-Visualized Biogenic Amine Spots in Thin Layer Chromatography”. Silliman Journal, vol. 54, no. 1, Oct. 2022, https://sillimanjournal.su.edu.ph/index.php/sj/article/view/138.