Synthesizing Technological and Pedagogical Knowledge in Learning Design: A Case Study in Teacher Training on Technology Enhanced Learning. - Kyparisia A. Papanikolaou; Katerina Makrh; George D. Magoulas; Dionisia Chinou; Athanasios Georgalas; Petros Roussos (Int. J. Digit. Lit. Digit. Competence, 2016)