@book{36107,
	author = {Mayer, Robert R. and Greenwood, Ernest,},
	title = {The design of social policy research /},
	publisher = {Prentice-Hall,},
	year = {�1980.},
	series = {Prentice-Hall series in social work practice},
	address = {Englewood Cliffs, N.J. :}
}