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tertiary sector (Geography Dictionary)

tertiary sector : That portion of a region’s economy devoted to service activities (e.g., retail and wholesale operations, transportation, insurance)

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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