Ulianchenko, O. V. ., Degtiariov, V. V., & 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), 64–69. Pobrano z https://redakcjapja.iung.pl/index.php/pja/article/view/50