Ulianchenko, O.V. , Degtiariov, V.V. i Golikova, O.M. 2019. The 150th anniversary of Novo-Olexandriya Institute of Agriculture and Forestry: professor V.V. Dokuchaiev’s activities based on the documents from the state archives of Kharkiv region. Polish Journal of Agronomy. 39, 39 (grudz. 2019), 64–69.