Ryazantsev Sergey Vasilievich. MIGRANT WORKERS AS A RESOURCE FOR THE DEMOGRAPHIC DEVELOPMENT OF RUSSIA AND THE REPUBLIC OF KAZAKHSTAN. Scientific Journal of Pedagogy and Economics [Интернет]. 15 апрель 2021 г. [цитируется по 18 декабрь 2025 г.];(2):204-12. доступно на: http://89.250.84.46/bulletin-science/article/view/221