Shopova, Elena, Bistra Mihailova, Marina Drumeva-Yoncheva, Dessislava Todorova, Iskren Sergiev, and Yonko Yonchev. “Comparative Study of Drought Tolerance of Virginia Tobacco Genotypes Differing in Origin and Their Corresponding Hybrid Progenies”. Proceedings of the Bulgarian Academy of Sciences 75, no. 10 (October 30, 2022): 1540–1548. Accessed November 28, 2022. https://proceedings.bas.bg/index.php/cr/article/view/188.