Zehra Küçükbay, F., and Idil Karaca. “Simultaneous Determination of Water and Fat-Soluble Vitamins in Pekmez Samples by High Performance Liquid Chromatography Coupled With Diode Array Detection”. Asian Journal of Chemistry, vol. 22, no. 5, Mar. 2010, pp. 4083-91, https://asianpubs.org/index.php/ajchem/article/view/11651.