TY  - BOOK
AU  - Kripa, P. K. 
TI  - Bioindicators for monitoring soil and water quality in koratty region, Kerala 
U1  - TH-P 631.46 21st ed. 
KW  - Soil biology
KW  - Oragnic chemistry
N1  - Thesis (Ph.D)-Forest Research Institute, Dehradun, 2016
ER  -