@book{535017,
	author = {Muhammad Tahir Yamin and Dr. Shafiq ur Rehman},
	title = {Energy and Exergy Analysis of Solar Assisted Cascade Vapor Compression and Absorption Refrigeration System with Different Alternate Refrigerants /},
	publisher = {PNEC NUST,},
	year = {2015.},
	address = {Islamabad:}
}