@inproceedings{uibo-etal-2015-oahpa,
    title = "Oahpa! {\~O}pi! Opiq! Developing free online programs for learning {E}stonian and {V}{\~o}ro",
    author = "Uibo, Heli  and
      Pruulmann-Vengerfeldt, Jaak  and
      Rueter, Jack  and
      Iva, Sulev",
    editor = "Volodina, Elena  and
      Borin, Lars  and
      Pil{\'a}n, Ildik{\'o}",
    booktitle = "Proceedings of the fourth workshop on {NLP} for computer-assisted language learning",
    month = may,
    year = "2015",
    address = "Vilnius, Lithuania",
    publisher = "LiU Electronic Press",
    url = "https://preview.aclanthology.org/fix-sig-urls/W15-1906/",
    pages = "51--64"
}