Лещук, Н. В. 2013. “Morpho-Biological and Economical Characteristics of Typical Model of Romen Lettuce Variety Lactuca: Sativa Var. Longifolia”. Plant Varieties Studying and Protection, no. 1(18) (February):62-65. https://doi.org/10.21498/2518-1017.1(18).2013.58759.