TY  - BOOK
AU  - Abramovich Sergei
TI  - Towards Deep Understanding of Elementary School Mathematics: a Brief Companion for Teacher Educators and Others
SN  - 9789811257001
PB  - World Scientific
KW  - Mathematics
UR  - https://www.worldscientific.com/worldscibooks/10.1142/12865#t=toc
ER  -