TY  - BOOK
AU  - Sharma, Ajay Kumar
TI  - Study of Physico-Chemical Properties of Groundwater: a case study of Tehsil -Bah,  Agra, UP 
PY  - 2023///
CY  - New Delhi
PB  - IGNOU, 
N1  - Thesis (Environmental Science, SOITS)
ER  -