TY  - BOOK
AU  - Cutler, Ann
AU  - McShane, Rudolph
TI  - The trachtenberg speed system of basic Mathematics
SN  - 978028562916
U1  - 510 
PY  - 2012///
CY  - New Delhi
PB  - Rupa Publications
KW  - Mathematics
KW  - Science
ER  -