TY  - GEN
AU  - Jayawardena ,  K.D.J.E.
AU  - Dahanayaka , C.
TI  - The degree in bachelor of science block 08 physics in technology
U1  - 530.7 
PY  - 1988///
CY  - Nugegoda
PB  - Open University
KW  - PHYSICS
ER  -