PAVLOVA, N.R., and M.F. BOIKO. 2007. “Branching and Seasonal Development in Salvia Aethiopis L. In Nothern Prichornomorye”. CHORNOMORSKI BOTANICAL JOURNAL 3 (2): 11-18. https://www.cbj.kspu.edu/index.php/cbj/article/view/695.