Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (subject equals "ปริญญาดุษฎีบัณฑิต") AND (dateIssued equals "[2540 TO 2549]") (dateIssued equals "[2500 TO 2566]") AND (subject equals "Engineering") AND (subject equals "Economics") AND (author equals "ทัตพล วงศ์สามัคคี")
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