TY - JOUR AU - Djordje M. Kadijevich TI - Participation in online cooperative professional development: Factors to consider and activities to practice JO - The Teaching of Mathematics PY - 2019 SP - 49 VL - XXII IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM2_2019_XXII_2_a1/ LA - en ID - TM2_2019_XXII_2_a1 ER -