Comments on: Building a Teacher Knowledge Base for the Implementation of High-quality Instructional Resources through the Collaborative Investigation of Video Cases /mathematics/2019/09/13/building-a-teacher-knowledge-base-for-the-implementation-of-high-quality-instructional-resources-through-the-collaborative-investigation-of-video-cases/ Wed, 06 May 2020 14:43:48 +0000 hourly 1 https://wordpress.org/?v=6.7.1