TY  - BOOK
AU  - Kalra,Nidhi
TI  - Extent of Use of solar water heater: A study of Ludhiana city
U1  - T333.79 K11E 
PY  - 2013///
CY  - Ludhiana
PB  - PAU
KW  - SOLAR WATER HEATERS
KW  - SOLAR HEATING
ER  -