Malyarovskaya, V., and L. Samarina. “In Vitro Morphogenesis of Ornamental Shrubs Camellia Japonica and Hydrangea Macrophylla”. Plant Tissue Culture and Biotechnology, vol. 27, no. 2, Dec. 2017, pp. 181-7, doi:10.3329/ptcb.v27i2.35023.