FAHRUNISA, A. H.; NAHADI, N.; FATIMAH, S. S. Analysis of Conceptual Readiness in Chemical Bonding Concepts among Pre-Service Chemistry Teachers Using a Three-Tier Diagnostic Test . Universal Education Journal of Teaching and Learning, [S. l.], v. 2, n. 3, p. 138–143, 2025. DOI: 10.63081/uejtl.v2i3.79. Disponível em: https://journal.uepublisher.com/uejtl/index.php/home/article/view/79. Acesso em: 10 may. 2026.