@incollection{MEM_2020_49_a16,
     author = {Luchev, Detelin and Goynov, Maxim and Pavlova, Lilia},
     title = {Towards personalized content observation in an ancient history virtual museum},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {159--166},
     year = {2020},
     volume = {49},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a16/}
}