Development of professional metacompetence of teachers in the process of mastering cloud technologiesTatiana Nadolinskaya, Svetlana Rossinskaya, Maria Dyadchenko, Yulia Trofimenko and Viktoriya AnokhinaSHS Web Conf., 98 (2021) 05031DOI: https://doi.org/10.1051/shsconf/20219805031