TY - JOUR AU - Daniel Barton TI - “Make a tutorial!” Short and long-term effects of a mathematical classroom video project on emotions and motivation JO - Didactica Mathematicae PY - 2022 SP - 5 EP - 29 VL - 44 UR - http://geodesic.mathdoc.fr/articles/10.14708/dm.v44i1.7190/ DO - 10.14708/dm.v44i1.7190 LA - pl ID - 10_14708_dm_v44i1_7190 ER -