XUDAYQULOVA ZARIFA UMMATQULOVA. EDUCATIONAL CONCEPTIONS AND THEIR IMPORTANCE IN THE EDUCATIONAL SYSTEM. International Engineering Journal For Research & Development, [S. l.], v. 6, n. ICRRTNB, p. 2, 2021. DOI: 10.17605/OSF.IO/52NZR. Disponível em: http://www.iejrd.com/index.php/iejrd/article/view/2594. Acesso em: 19 apr. 2026.