@book{229944,
	author = {Romaguera, Jose M.},
	title = {Chispa empresarial :},
	publisher = {J.M. Romaguera ,},
	year = {2012.},
	address = {San Juan, P.R. :},
	edition = {5. ed.},
	note = {Also available english version by the author title:The entrepreneurial spark recognizing opportunities and developing them into Viable business}
}