PARMOON, G., EBADI, A., JAHANBAKHSH, S., HASHEMI, M. and MOOSAVI, S.A. 2018. Effect of Exogenous Application of Several Plant Growth Regulators on Photosynthetic Pigments of Fennel Plants. Notulae Scientia Biologicae. 10, 4 (Dec. 2018), 508–515. DOI:https://doi.org/10.15835/nsb10410356.