NOILAKHON NODIR QIZI TOLIPOVA; DILNOZA DADAKHANOVNA ZUPAROVA. Does Implementation Speed Matter? A Difference-In-Differences Analysis of The Reggio Emilia Approach in Early Childhood Education. The American Journal of Social Science and Education Innovations, [S. l.], v. 8, n. 04, p. 54–65, 2026. DOI: 10.37547/tajssei/Volume08Issue04-09. Disponível em: https://theamericanjournals.com/index.php/tajssei/article/view/7806. Acesso em: 29 apr. 2026.