TY  - BOOK
AU  - Odum Eugene p. 
TI  - Fundamentals of Ecology
SN  - 978-81-315-0020-0
U1  - 577 23
PY  - 2021///
CY  - Delhi
PB  - Cengage learning 
N1  - 1. The scope  of ecology 
2. The ecosystem 
3. energy in Ecological system
4. Biogeochemical cycles
5. Limiting and regulatory factors
ER  -