Research of psychological and pedagogical typologization of mental developmental delay of schoolchildren. Insight: the psychological dimensions of society, [S. l.], n. 4, p. 111–131, 2020. DOI: 10.32999/2663-970X/2020-4-7. Disponível em: https://insight.journal.kspu.edu/index.php/insight/article/view/60. Acesso em: 12 mar. 2026.