text usa harcourtschool s.a eng 21 hlm. 33 cm harcourtschool ilmu matematika 513 513 har f 0-15-335368-6 INLIS000000000493919 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)