<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31300024</termId><termName>systems theory</termName><termType>PT</termType><termNote><![CDATA[ The study of society as a complex arrangement of elements, including individuals and their beliefs, as they relate to a whole (e.g., a country). ]]></termNote><termCreatedDate>2026-03-30 20:20:33</termCreatedDate><relation><relationType>UF</relationType><termId>31300025</termId><termName>social systems theory</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31297713</termId><termName>historical, theoretical, and critical concepts</termName><termType>PT</termType></relation></term>  </Zthes>