L. Kurmangaliyeva. «THEORETICAL AND METHODOLOGICAL FOUNDATIONS OF THE STUDY OF INCOMES OF THE POPULATION AND THEIR FORMATION». Scientific Journal of Pedagogy and Economics 403, no. 3 (июнь 30, 2023): 497–506. просмотрено декабрь 5, 2025. https://journals.nauka-nanrk.kz/bulletin-science/article/view/5639.