Mathematical modeling of Kazakhstan’s CO2 emissions and the role of environmental accountingBakyt Sultanova, Almira Arystambaeva, Zhumakul Abisheva, Oksana Kogut and Bibarys ShapetovE3S Web Conf., 159 (2020) 01006DOI: https://doi.org/10.1051/e3sconf/202015901006