The problem of research and prevention of bullying in the school environment: analytical and practical aspectsAkmaral Magauova, Gulmira Kassen, Aigul Iskakova, Zhadyra Yermekova and Perizat SeiitkazyE3S Web Conf., 210 (2020) 16023DOI: https://doi.org/10.1051/e3sconf/202021016023