Carrasco, A., and E. San Martín. “Voucher System and School Effectiveness: Reassessing School Performance Difference and Parental Choice Decision-Making”. Estudios De Economía, vol. 39, no. 2, Jan. 2012, pp. pp. 123-141, https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/31039.