Kovaleva, A., Osmachko, A., Ilina Т., Goryacha, O., Omelyanchik, L., Grytsyk, A. and Koshovyi, O. 2022. Chemical composition of essential oils from flowers of veronica Longifolia L., Veronica Incana L. and Veronica Spicata L. ScienceRise: Pharmaceutical Science. 4 (38) (Aug. 2022), 69–79. DOI:https://doi.org/10.15587/2519-4852.2022.263735.