00603nam a22001577a 450000500170000000800410001702000220005808200220008010000240010224501460012625000300027226000520030230000190035450400600037352600120043320260423114415.0260423b           ||||| |||| 00| 0 eng d  a978-0-367-44395-5  a372.709 M111 20201 aMa, Lipingeauthor.  aKnowing and teaching elementary mathematics : bteachers understanding of fundamental mathematics in China and the United States /cLiping Ma  a20th. Anniversary Edition  aNew York: bRoutledge Taylor & Francis, cc2020  axxxvi, 229 p.   aIncludes bibliographical references (223p.) and index.   a300-399