<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18133</termId><termName>Sector primario de El Salvador</termName><termType>PT</termType><termCreatedDate>1993-07-13 18:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>7116</termId><termName>Estructura economica de El Salvador</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>9027</termId><termName>Sector primario de Iberoamerica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18095</termId><termName>Agricultura de El Salvador</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>37075</termId><termName>Mineria de El Salvador</termName><termType>PT</termType></relation></term>  </Zthes>