Győrfi, J., A. Kovács, and A. Szabó. “Increasing the Vitamin D Level of Oyster Mushrooms by UV Light”. International Journal of Horticultural Science 17, no. 4-5 (December 4, 2011): 119–123. Accessed May 9, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/983.