Ördögh, M., Z. Beregi, and A. Tillyné Mándy. “The Effect of Different Biostimulators on Morphological and Biochemical Parameters of Micropropagated Hosta ’Gold Drop’”. International Journal of Horticultural Science, vol. 25, no. 1-2, July 2019, pp. 22-29., doi:10.31421/IJHS/25/1-2./2357.