Shtereva, L., Vassilevska-Ivanova, R., Kartzeva, T., & Kraptchev, B. (2015). Salt tolerance of two sunflower genotypes: Helianthus annuus and interspecific line Helianthus anuus x Helianthus mollis. Project BG051PO001-3.3.06-0025 "Support for training and development of young competitive research experts in the field of physiology, phytochemistry, genomics, proteomics and biodiversity of eukaryotic organisms". с. 61-73.