@conference {40631,
	title = {Nanotechnology and porous structures in solar cell fabrication},
	booktitle = {4AASEF, 4th Asia-Africa Sustainable Energy Forum},
	year = {2014},
	month = {13-14 May 2014 },
	address = {Oran, Algeria.},
	author = {Waheed. A. Badawy}
}
