00516nam a22001577a 4500 20230310142848.0 230310b |||||||| |||| 00| 0 eng d gslrc KIT 510 P768 Polyconstructo: building spatial visualization skills from tow to three dimensions. 1. 8 blue 2. 29 red Space perception--Study and teaching (Elementary) Geometrical constructions Geometry--Study and teaching (Elementary) ddc VM 87844 87844 0 0 ddc 0 0 GSLRC GSLRC AV 2023-03-10 1 KIT 510 P768 GSKIT00048 2024-09-09 00:00:00 2024-09-09 1 2023-03-10 VM