Exploring Early Language Development through a Vygotskian Lens: A Focus on Concept Formation and Critical Period in Three-Year-Olds. The International Journal of Educational Sciences and Arts, [S. l.], v. 3, n. 6, 2024. DOI: 10.59992/IJESA.2024.v3n6p5. Disponível em: https://vsrp.co.uk/index.php/ijesa/article/view/742. Acesso em: 2 jul. 2026.