Tatarynova, V.I., O.G. Zhatov, V.I. Trotsenko, A.O. Burdulanyuk, T.O. Rozhkova, YemetsО.М., and S.M. Horbas. “Pear Rust in the Conditions of North-Eastern Forest-Steppe of Ukraine”. Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, no. 1-2(35-36) (July 30, 2019): 53-58. Accessed April 27, 2024. https://www.snaubulletin.com.ua/index.php/ab/article/view/14.