Diagnostic Assessment of Chemistry Knowledge Levels of 12th Grade Students in Ulaanbaatar and Content Analysis for Entrance Exam Preparation. Mongolian Journal of Educational Research, [S. l.], 2026. DOI: 10.56380/. Disponível em: https://journal.mnier.mn/index.php/research/article/view/174. Acesso em: 10 jun. 2026.