The systems-activity concept of innovation – the imperative for sustainable social programming of a solidarity societyVladimir Еrmolenko, Mikhail Zakaryan, Daria Lanskaya, Andrey P. Savchenko and Hassan El HellaniE3S Web Conf., 380 (2023) 01043DOI: https://doi.org/10.1051/e3sconf/202338001043