@phdthesis{Schalke-Mandoux2016,
author = {Schalke-Mandoux, Daniela Sangme},
year = {2016},
title = {The Impact of Educational Attainment and Grade Retention on the Development of
Intelligence},
type = {Dissertation},
url = "http://dx.doi.org/10.17169/refubium-12167",
}