@article {66509,
	title = {Determination of adjustment tracking time in two types of solar cookers by ray-tracing method},
	journal = {Power Engineering, Energy and Electrical Drives{\textquoteright} (POWERENG), DOI: 10.1109/PowerEng.2013.6635716Power Engineering, Energy and Electrical Drives{\textquoteright} (POWERENG), DOI: 10.1109/PowerEng.2013.6635716},
	year = {2013},
	month = {2013},
	pages = {822- 827},
	author = {F. Yettou and Boubekeur Azoui and A. Malek}
}
