TY - JOUR AU - M. Chen AU - B. Li AU - Y. Hu AU - Z. Ren TI - A Teaching Ecosystem of Engineering Graphics Based on the Deeper Learning Cycle Model and Asynchronous SPOC JO - Journal for geometry and graphics PY - 2019 SP - 259 EP - 267 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2019_23_2_JGG_2019_23_2_a11/ ID - JGG_2019_23_2_JGG_2019_23_2_a11 ER -