Khajavi, M. et al. 2019. The effect of TiO2 and SiO2 nanoparticles and salinity stress on expression of genes involved in parthenolide biosynthesis in Feverfew (Tanacetum parthenium L.). Caryologia. 72, 1 (May 2019), 3–14. DOI:https://doi.org/10.13128/cayologia-246.