E.Rovenskikh I, P. Belikova T, A.Syrovatskaya T, A. Shamrina E. Features of Formation of Regional Reproductive Proportions in Modern Conditions Annotation. IJET [Internet]. 2018 Nov. 30 [cited 2024 Apr. 27];7(4.25):198-200. Available from: https://sciencepubco.com/index.php/ijet/article/view/26922