Retracted Article: Improving the Professional Risk Management System for Methane and Coal Dust Explosions Using a Risk-based ApproachTatiana Tyuleneva, Evgeny Kabanov, Marat Moldazhanov and Evgeny PlotnikovE3S Web Conf., 278 (2021) 01027DOI: https://doi.org/10.1051/e3sconf/202127801027