Realities and prospects of using green technologies in KazakhstanGaliya Sansyzbayeva, Laura Ashirbekova, Kuralay Nurgaliyeva, Zhuldyz Ametova and Arailym AsanovaE3S Web Conf., 159 (2020) 07002DOI: https://doi.org/10.1051/e3sconf/202015907002