@article {218337,
	title = {Feature Selection Approach based on Firefly Algorithm and Chi-square},
	journal = {International Journal of Electrical and Computer Engineering (IJECE)},
	volume = {8},
	year = {2018},
	pages = {2338-2350},
	author = {Emad Mashhour and Enas M. El Houby and Khaled Wassif and Akram I. Salah}
}
