Study of the content of chlorophyll and carotenoids in the leaves of tau-saghyz (Scorzonera Tau-Saghyz Lipsch Et Bosse) from various ecological and geographical habitats in the karatau mountains... (2022). Eurasian Journal of Ecology, 71(2), 103-111. https://doi.org/10.26577/EJE.2022.v71.i2.010