Trips, C., Percillier, M., Elter, W.J., Kaltenbach, L. and Seidel, L. 2020. Foreword to the inaugural volume of the Student Edition of Mannheim papers in multilingualism, acquisition and change (MAPMAC). Mannheim papers in multilingualism, acquisition and change. 1, (Jan. 2020), i-iii. DOI:https://doi.org/10.25521/mapmac.2020.135.