<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>34062</termId><termName>Cálculo mercantil</termName><termType>PT</termType><termCreatedDate>2014-09-15 20:36:43</termCreatedDate><relation><relationType>UF</relationType><termId>34063</termId><termName>Cálculo comercial</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>34061</termId><termName>Aritmética</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>20214</termId><termName>Matemáticas financieras</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>18693</termId><termName>Contabilidad</termName><termType>PT</termType></relation></term>  </Zthes>