Methodological aspects of revealing the metacognitive potential of a teacher in the context of the development of his health-preserving competenceVasyl M. Fedorets, Oksana V. Klochko, Vitalii I. Klochko, Tamila I. Berezhna and Halyna A. IvanytsiaSHS Web Conf., 142 (2022) 03007DOI: https://doi.org/10.1051/shsconf/202214203007