TY  - BOOK
AU  - Anjana, Pasan 
TI  - දුරේක්ෂ: All about telescopes
SN  - 9789551080341
U1  - 522.2 
PY  - 2020///
CY  - Thalangama 
PB  - S & T group 
KW  - Telescopes
ER  -