@incollection{MEM_2020_49_a15,
     author = {Iliev, Oleg and Yoshinov, Radoslav and Tsochev, Georgi},
     title = {Verification of user identity and data security in the context of {LMS} and {LCMS}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {144--151},
     year = {2020},
     volume = {49},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a15/}
}