@inbook{Johnstone2020,
author = {Johnstone, B.D.},
title= {Tuition fees, worldwide trends},
year = {2020},
doi = {10.1007/978-94-017-9553-1_426-1},
editor = {Shin, J.C.},
editor = {Teixeira, P.N.},
booktitle = {The international encyclopedia of higher education systems and institutions},
address = {Dordrecht},
publisher = {Springer Netherlands},
pages = {2661--2672},
}