TY  - BOOK
AU  - Yoong, wong Khoon[ed.]
AU  -  Meng, Sin Kwai[ed.]
TI  - New elementary mathematics syllabus D. 1
SN  - 9812084592
AV  - QA145.L39 
PB  - Singapore
KW  - Mathematics
KW  - Mathematics -- Study and teaching (Secondary)
ER  -