@incollection{MEM_2021_50_a34,
     author = {Peltekova, Elitsa and Stefanova, Eliza},
     title = {Integration of virtual reality in educational process},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {290--297},
     year = {2021},
     volume = {50},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2021_50_a34/}
}