المؤلفون: Amarante, Verónica, Colacce, Maria
المصدر: :175-224
URL الوصول: http://elibrary.worldbank.org/doi/pdf/10.1596/978-1-4648-0844-9http://elibrary.worldbank.org/doi/abs/10.1596/978-1-4648-0844-9_ch7http://elibrary.worldbank.org/doi/pdf/10.1596/978-1-4648-0844-9_ch7http://elibrary.worldbank.org/doi/abs/10.1596/978-1-4648-0844-9