@book{534746,
	author = {Fatima, Hafiza Mahreen and Dr. Muhammad Bilal},
	title = {Design of a Combined Solar Thermal Water and Space Heating System for a Commercial Building in Climatic Conditions of Islamabad, Pakistan. /},
	publisher = {USPCAS-E - NUST,},
	year = {2017.},
	address = {Islamabad:}
}