W. Andreff, “Outsourcing in the new strategy of multinational companies:foreign investment, international subcontracting and production relocation”., Pap. Eur., vol. 18, pp. 5–34, Jan. 2009, Accessed: Jul. 10, 2026. Available: https://revistas.ucm.es/index.php/PADE/article/view/PADE0909110005A