Development and testing of a model of unified funds of assessment materials for reviewing subject and methodological competencies of biology teachersElena Arbuzova, Vitalina Loshenko, Roman Oparin, Andrey Sakharov and Sergey SumatokhinSHS Web Conf., 101 (2021) 03018DOI: https://doi.org/10.1051/shsconf/202110103018