@book{31711,
	author = {Badi H Baltagi.},
	title = {Panel data econometrics},
	publisher = {Emerald,},
	year = {2006.},
	series = {Contributions to economic analysis,},
	address = {Bingley, U.K. :},
	url = {https://www.emerald.com/insight/publication/doi/10.1016/S0573-8555(2006)274}
}