TY - JOUR AU - Martin, S. AU - Notari, Michele PY - 2014 TI - Affordances, Approaches and Challenges for Blended, Technology– enhanced Learning: Present and Future Development JO - Educational Research and Evaluation: An international Journal on Theory and Practice VL - 20 IS - SP - 7 EP - 8 UR - KW - collaboration KW - evaluation KW - learninig ER -