@incollection{MEM_2020_49_a14,
     author = {Iliev, Oleg},
     title = {{\textquotedblleft}Hot releases{\textquotedblright} in learning management systems and learning content management systems},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {137--143},
     year = {2020},
     volume = {49},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a14/}
}