Book Review: Supporting mathematics educators through and towards online learning. Karen Hollebrands, Robin Anderson, and Kevin Oliver (Eds). (2021) Online learning in mathematics education: Springer Cham https://link.springer.com/book/10.1007/978-3-030-80230-1. XIX, 342 pages. Hardcover: ISBN 978-3-030-80229-5 EUR 149.99. eBook: ISBN 978-3-030-80230-1 EUR 117.69

书评：支持数学教育者开展在线学习。Karen Hollebrands、Robin Anderson 和 Kevin Oliver（编）。（2021）《数学教育中的在线学习》：Springer Cham 出版社 https://link.springer.com/book/10.1007/978-3-030-80230-1。十九，342 页。精装本：ISBN 978-3-030-80229-5，售价 149.99 欧元。电子书：ISBN 978-3-030-80230-1，售价 117.69 欧元。