Feedback Authoring for Exploratory Activities: The Case of a Logo-Based 3D Microworld. - Sokratis Karkalas; Manolis Mavrikis; Marios Xenos; Chronis Kynigos (CSEDU (Selected Papers), 2016)

Learning Programming with Educational Robotics: Towards an Integrated Approach. - Marios Xenos; Nikoleta Yiannoutsou; Marianthi Grizioti; Chronis Kynigos; Sofia Nikitopoulou (EDUROBOTICS, 2016)