@article {106409,
	title = {An Improved Fuzzy Number Approximation using Shadowed Sets},
	journal = {International Journal of Computer Applications},
	volume = {118},
	year = {2015},
	pages = {(0975 {\textendash} 8887)},
	author = {Mohamed AH El_hawy and Hesham A. Hassan and Hesham A. Hefny and Khaled T Wassif}
}
