Xefteris, S. and Palaigeorgiou, G. 2019. Mixing Educational Robotics, Tangibles and Mixed Reality Environments for the Interdisciplinary Learning of Geography and History. International Journal of Engineering Pedagogy (iJEP). 9, 2 (Apr. 2019), pp. 82–98. DOI:https://doi.org/10.3991/ijep.v9i2.9950.