TY  - BOOK
AU  - Kieran, Carolyn||Pang, JeongSuk||Schifter, Deborah||Ng, Swee Fong
TI  - Early Algebra: Research into its Nature, its Learning, its Teaching
KW  - Mathematics Education||Learning||Teaching
UR  - https://library.oapen.org/bitstream/20.500.12657/27822/1/1002183.pdf||https://library.oapen.org/bitstream/20.500.12657/27822/1/1002183.pdf||https://library.oapen.org/bitstream/20.500.12657/27822/1/1002183.pdf
ER  -