@incollection{,
	
					
					
					E8CFF8911DF7DA577C94906E02A691D2
				,
	author={{JaesungChoi} and {Keimyung Univerity}},
	journal={{Global Journal of Science Frontier Research}},
	journal={{GJSFR}}2249-46260975-589610.34257/GJSFR,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}2323137
}

@book{b0,
	
	
		,
	title={{s Workout: Training the Mind and Entertaining the Spirit}}
		,
	author={{
			MartinGardner
		} and {
			Gardner
		}}
		
		,
	editor={A. K. Peters}
		
			,
	year={2001}
			155
			,
	address={New York}
		
	

}