Rivelli, A. R., M. C. Caruso, S. D. Maria, and F. Galgano. “Vitamin C Content in Leaves and Roots of Horseradish (Armoracia rusticana): Seasonal Variation in Fresh Tissues and Retention As Affected by Storage Conditions”. Emirates Journal of Food and Agriculture, vol. 23, no. 6, Nov. 2017, pp. 799-06, https://ejfa.me/index.php/journal/article/view/1272.