TY  - BOOK
AU  - Singh, Kunal
AU  - Tripathy, Kapil Prasad
TI  - Problem Primer for the Pre-Regional Mathematical Olympiad: Enlarged Edition
SN  - 9789388478847
U1  - 510 
PY  - 2020///
CY  - Bengualuru
PB  - Prism Books Pvt Ltd
ER  -