«Webb, Justin, Duane Ireland & David Ketchen Jr. “Toward a greater understanding of entrepreneurship and strategy in informal economy”. Strategy Entrepreneurship Journal, 8 (1), pp. 1-15». 360: Revista de Ciencias de la Gestión, vol. 1, n.º 2, agosto de 2017, pp. 146-52, https://doi.org/10.18800/360gestion.201702.010.