Ćosić, T., J. Savić, M. Raspor, A. Cingel, N. Ghalawnji, B. Vinterhalter, and S. Ninković. “Effects of Different Types of Sugars and Plant Growth Regulators on Kohlrabi Seedling Growth and Development in Vitro”. Archives of Biological Sciences, vol. 72, no. 3, Oct. 2020, pp. 349-57, https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/5530.