THE RESULTS OF THE PEDAGOGICAL EXPERIMENT IN DEVELOPING SELF-CARE SKILLS TO CHILDREN WITH SEVERE MENTAL RETARDATION OF A SPECIALIZED ORPHANAGE. Education in the 21st Century, [S. l.], v. 3, n. 1, p. 172–177, 2023. DOI: 10.46991/educ-21st-century.v3.i1.172. Disponível em: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/10730. Acesso em: 22 jan. 2026.