Музиченко, О. С. “State Population Lily of the Valley (Convallaria Majalis L.) in Conditions Sugrudy Kiverzivsky Forestry Volyn Region”. Man and Environment. Issues of Neoecology, no. 3-4(26), 1, pp. 75-82, doi:10.26565/1992-4224-2016-26-09.