Mamyryva , S., Kuprijanov А., Ishmuratova М., and S. Kubentayev. “AGE STRUCTURE OF RHAPONTICUM ALTAICUM (FISCH.EX SPRENG.) SOSKOV POPULATIONS. IN NORTHERN AND CENTRAL KAZAKHSTAN”. Eurasian Journal of Applied Biotechnology, no. 3, Aug. 2024, pp. 3-8, doi:10.11134/btp.3.2024.1.