TY  - BOOK
AU  - Cayanan, Antonieta M.
TI  - The San Pedro Central School grade v pupils' diificulties in performing the four fundamental operations in fractions, for the school year 2011-2012
AV  - T-01181 
PY  - 2011///-2012
CY  - Puerto Princesa City
PB  - Holy Trinity College
KW  - Education/Administration and Supervision
N1  - Education/Administration and Supervision
ER  -