TY  - BOOK
AU  - Weerakone, S.R.
TI  - Energy and Continuity of life : unit II
SN  - 9789552317941
U1  - 574 
PY  - 2021///
CY  - Nawala
PB  - OUSL
N1  - B.S.c : Foundation courses in science
ER  -