“…Mørch and Sami Paavola -- The Trialogical Approach as a New Form of Mediation / Sami Paavola , Ritva Engeström and Kai Hakkarainen -- Tacit Knowledge and Trialogical Learning: Towards a Conceptual Framework for Designing Innovative Tools / Hadj Batatia , Kai Hakkarainen and Anders I. …”