Environmental friendliness of educational innovations and agency of consumption of educational servicesOlga Posypanova, Petr Menshikov, Anastasia Demchuk, Albina Sibagatullina, Ekaterina Kraynova, Aleksandr Kosov and Mariam ArpentievaE3S Web Conf., 284 (2021) 09004DOI: https://doi.org/10.1051/e3sconf/202128409004