Vdovina, T.A., and O.A. Lagus. “To the Methodology for the Study of Intraspecific Variability and Selection of Wild Forms of Viburnum Opulus L”. Fundamental and Experimental Biology 112, no. 4 (December 28, 2023): 126–133. Accessed October 20, 2025. https://feb.buketov.edu.kz/bmg-vestnik/article/view/30.