Second-Order Confirmatory Factor Analysis of 21st Century Mathematics Teaching Predicament among Secondary Mathematics Teachers in Secondary Educational Service Area Office Lopburi. Science Essence Journal, [S. l.], v. 40, n. 1, p. 1–17, 2024. Disponível em: https://ejournals.swu.ac.th/sej/article/view/15881. Acesso em: 23 oct. 2026.