Zavertyayeva Anna A., Zalevsky Genrikh V. «The state of helplessness among preschool children with mental retardation and its correction» // Siberian Journal of Psychology 2016. №61 C.78-90
Goldovskaya Alyona V. «The Problem of Integrating People with Intellectual Developmental Needs into Society: A Socio-Philosophical Analysis» // Tomsk State University Journal of Philosophy, Sociology and Political Science 2020. №55 C.78-88
