VERESHCHAHIN, I. V.; KANDYBA, N. M.; SOBRAN, I. V.; ONYCHKO, T. O. USE OF RAPD ANALYSIS FOR THE STUDY OF GENETIC POLYMORPHISM OF FLAX VARIETIES OF UKRAINIAN AND FOREIGN SELECTION. Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, v. 52, n. 2, p. 20-27, 13 Sep. 2023.