TY  - BOOK
AU  - Abeydeera, Nilmini.
AU  - Abeydeera, Padmini.
TI  - Mathematics - Grade 9 Work Book
SN  - 9789550202324
U1  - 510 
PY  - 2010///
CY  - Colombo : 
PB  - Samudra book publication, 
ER  -