YEGINBAYEVA, A.; Bakytzhan К. Natural growth and migration process of the population of Aktobe region. Fundamental and Experimental Biology, [S. l.], v. 11730, n. 1, p. 147–154, 2025. DOI: 10.31489/2025bmg1/147-154. Disponível em: https://feb.buketov.edu.kz/bmg-vestnik/article/view/971. Acesso em: 27 oct. 2025.