TY  - BOOK
AU  - Chowdhry, Narendra Kumar
TI  -  Elementary Education and Arithmetic : Counting Systems and Numerals Through the Ages
SN  - 9788175415508
U1  - 372.72/CHO/E 
PY  - 2010///
CY  - New Delhi
PB  - Shipra Publications
KW  - Education
KW  - Arithmetic
KW  - Study and teaching (Elementary)
ER  -