TY - RPRT A1 - Cueto, S. A1 - Leon, J. T1 - Psychometric characteristics of cognitive development and achievement instruments in round 3 of Young Lives Y1 - 2012 UR - http://www.grade.org.pe/upload/publicaciones/Archivo/download/pubs/NDMtn25.pdf PB - Oxford Department of International Development (ODID), University of Oxford CY - Oxford ER -