Melnyk, A. and Kyryk , M. 2020. The biological preparations efficiency research for potato alternaria blight decrease in terms of Western Foreststeppe of Ukraine. Interdepartmental Thematic Scientific Collection of Phytosanitary safety. 66 (Dec. 2020), 157-167. DOI:https://doi.org/10.36495/1606-9773.2020.66.157-167.