TY  - BOOK
AU  - Department of Edcation 
TI  - ජෛවපද්ධති තාක්ෂණවේදය  
SN  - 978-955-25-0473-0
PY  - 2019///
CY  - Department of Edcation Publisher 
PB  - Maharagama 
ER  -