@article {13568,
	title = {Validation of the existing models for estimating global solar radiation over Egypt},
	journal = {ENERGY CONVERSION AND MANAGEMENT},
	volume = {50},
	year = {2009},
	pages = {184{\textendash}193},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/elsayedm/files/urban-rural_solar_radiation_.pdf},
	author = {S. M. Robaa}
}
