@book{111503,
	author = {Robayo, Aleida},
	title = {Diagnostico Financiero de la Cooperativa "COOTRALSER" Periodo 2007 y 2008 /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2009},
	address = {Ibagué (Colombia) :},
	edition = {                   }
}