TY  - BOOK
AU  - Veeraiyan , V
AU  -  Jayalakshmi, L.
AU  -  Rosaline, Rani D.
AU  -  Stephen, Devaraj L
TI  - Environmental science / 
U1  - 628.5 
PY  - 2022///
CY  - Chennai : 
PB  - VRB Publishers Pvt Ltd
ER  -