The efficiency of plasticizing surfactants in alkali-activated cement mortars and concretesRaisa Runova, Volodymyr Gots, Igor Rudenko, Oleksandr Konstantynovskyi and Oles’ LastivkaMATEC Web Conf., 230 (2018) 03016DOI: https://doi.org/10.1051/matecconf/201823003016