TY  - BOOK
AU  - Singh,R.L.
AU  - Singh,P.B.
TI  - Elements of practical geography
SN  - 978-81-272-4399-9
U1  - 910 
PY  - 2022///
CY  - Delhi
PB  - Kalyani Pub
KW  - Geography
KW  - practical
ER  -