@article{Levy_2018,
    doi = {10.1007/s10734-018-0233-6},
    url = {https://doi.org/10.1007%2Fs10734-018-0233-6},
    year = {2018},
    month = {jan},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {76},
    number = {4},
    pages = {701--715},
    author = {Daniel C. Levy},
    title = {Global private higher education: an empirical profile of its size and geographical shape},
    journal = {Higher Education}
}

@article{Levy_2018, doi = {10.1007/s10734-018-0233-6}, url = {https://doi.org/10.1007%2Fs10734-018-0233-6}, year = {2018}, month = {jan}, publisher = {Springer Science and Business Media {LLC}}, volume = {76}, number = {4}, pages = {701--715}, author = {Daniel C. Levy}, title = {Global private higher education: an empirical profile of its size and geographical shape}, journal = {Higher Education} }