TY  - BOOK
AU  - Cutler, Ann
AU  - McShane, Rudolph
TI  - Trachtenberg speed system of basic mathematics
SN  - 9780285629165
U1  - 513 DDC23
PY  - 1985///
CY  - New Delhi
KW  - Humanities and Applied Sciences
KW  - Personality Development
UR  - https://ndl.iitkgp.ac.in/result?q={%22t%22:%22search%22,%22k%22:%22PERSONALITY%20DEVELOPMENT%22,%22s%22:[],%22b%22:{%22filters%22:[]}}
ER  -