Слюсар, Людмила, and Світлана Аксьонова. “NON-MARITAL FERTILITY IN METROPOLISES IN UKRAINE”. Demography and social economy 45, no. 3 (November 2, 2021): 22–40. Accessed December 7, 2021. https://ojs.dse.org.ua/index.php/dse/article/view/77.