TY  - BOOK
AU  - Alferez, Merle S.
TI  - MSA math competition: book grade 6 level 
SN  - 978-971-0506-23-1
U1  - TR  512 Al386  2021 
PY  - 2021///
CY  - Cainta Rizal
PB  - MSA Publishing
KW  - Mathematics -- Study and teaching (elementary)
ER  -