Лещук, Н. В., О. Й. Дидів, and О. В. Хареба. 2019. “Features of Forming a Conveyor of Commodity pro­ducts of Lettuce, Lactuca Sativa L., Varieties in the Western Forest-Steppe of Ukraine”. Plant Varieties Studying and Protection 15 (3):273-78. https://doi.org/10.21498/2518-1017.15.3.2019.181085.