TY - BOOK ID - 124957052 TI - Mathematics 2005 : performance in Puerto Rico, focus on the content areas. PY - 2007 PB - Washington, DC : National Center for Education Statistics, U.S. Dept. of Education, DB - UniCat KW - Mathematics KW - Mathematical ability KW - Study and teaching KW - Testing UR - https://www.unicat.be/uniCat?func=search&query=sysid:124957052 AB - ER -