M. Ördögh, “The effect of different cytokinins on chlorophyll content and morphological features of in vitro Nidularium ’Kertész Jubileum’”, Int. j. hortic. sci., vol. 21, no. 1-2, pp. 47–51., Apr. 2015, doi: 10.31421/IJHS/21/1-2./1157.