TY  - BOOK
AU  - Aggarwal, R. S. 
TI  - Quantitative aptitude: for competitive examinations 
SN  - 978935253402
U1  - 001.42 
PY  - 2017///  (2018 reprint)
CY  - New Delhi
PB  - S Chand 
KW  - Quantitative research
ER  -