@book{352374,
	author = {Chinman, Matthew;Imm, Pamela;Wandersman, Abraham;De La Torre, Adela},
	title = {Obteniendo Resultados 2004},
	publisher = {RAND Corporation},
	year = {2005},
	url = {www.jstor.org/stable/10.7249/tr101-1cdc}
}