Project Studies as A Transborder Didactic Tool in Higher Education (The Case of The German-Russian Study Project)Bernd-Joachim Ertelt, Roman Kondurov, Michael Scharpf, Sergey A. Barkov and Inna V. KolodeznikovaSHS Web Conf., 79 (2020) 02005DOI: https://doi.org/10.1051/shsconf/20207902005