@book{2121,
	author = {Doglas A. Lind , W.G.Marchal & S. A.Wathen and Doglas A. Lind , W.G.Marchal & S. A.Wathen},
	title = {Statistical techniques in Business & Economics},
	publisher = {Mc Graw Hill , Irwin},
	year = {2005},
	address = {New York},
	edition = {12th},
	note = {Includes Index .}
}